10204839 has 16 divisors (see below), whose sum is σ = 15640800. Its totient is φ = 6568128.

The previous prime is 10204823. The next prime is 10204841. The reversal of 10204839 is 93840201.

It is not a de Polignac number, because 10204839 - 2⁴ = 10204823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^10204839 is an apocalyptic number.

10204839 is a deficient number, since it is larger than the sum of its proper divisors (5435961).

10204839 is a wasteful number, since it uses less digits than its factorization.

10204839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071 (or 13065 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10204839 is about 3194.5013695411. The cubic root of 10204839 is about 216.9045783752.

The spelling of 10204839 in words is "ten million, two hundred four thousand, eight hundred thirty-nine".