10839685 has 4 divisors (see below), whose sum is σ = 13007628. Its totient is φ = 8671744.

The previous prime is 10839683. The next prime is 10839691. The reversal of 10839685 is 58693801.

It is a happy number.

10839685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58693801 = 227 ⋅258563.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 2556801 = 2878^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 10839685 - 2¹ = 10839683 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10839683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083964 + ... + 1083973.

It is an arithmetic number, because the mean of its divisors is an integer number (3251907).

Almost surely, 2^10839685 is an apocalyptic number.

It is an amenable number.

10839685 is a deficient number, since it is larger than the sum of its proper divisors (2167943).

10839685 is an equidigital number, since it uses as much as digits as its factorization.

10839685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167942.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 10839685 is about 3292.3676890651. The cubic root of 10839685 is about 221.3123011801.

It can be divided in two parts, 108 and 39685, that added together give a palindrome (39793).

The spelling of 10839685 in words is "ten million, eight hundred thirty-nine thousand, six hundred eighty-five".