16408841 has 4 divisors (see below), whose sum is σ = 16593300. Its totient is φ = 16224384.

The previous prime is 16408831. The next prime is 16408849. The reversal of 16408841 is 14880461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 15366400 = 1021^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 16408841 - 2¹⁴ = 16392457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16408798 and 16408807.

It is not an unprimeable number, because it can be changed into a prime (16408849) 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, 92096 + ... + 92273.

It is an arithmetic number, because the mean of its divisors is an integer number (4148325).

Almost surely, 2^16408841 is an apocalyptic number.

It is an amenable number.

16408841 is a deficient number, since it is larger than the sum of its proper divisors (184459).

16408841 is an equidigital number, since it uses as much as digits as its factorization.

16408841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184458.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 16408841 is about 4050.7827638618. The cubic root of 16408841 is about 254.1124649210.

It can be divided in two parts, 16 and 408841, that multiplied together give a palindrome (6541456).

The spelling of 16408841 in words is "sixteen million, four hundred eight thousand, eight hundred forty-one".