10209836 has 36 divisors (see below), whose sum is σ = 22388688. Its totient is φ = 4038048.

The previous prime is 10209803. The next prime is 10209863. The reversal of 10209836 is 63890201.

10209836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10209836² = 208481502293792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10209799 and 10209808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (621908).

Almost surely, 2^10209836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10209836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11194344).

10209836 is an abundant number, since it is smaller than the sum of its proper divisors (12178852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10209836 is a wasteful number, since it uses less digits than its factorization.

10209836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 10209836 is about 3195.2833990117. The cubic root of 10209836 is about 216.9399764614.

The spelling of 10209836 in words is "ten million, two hundred nine thousand, eight hundred thirty-six".