839364856 has 16 divisors (see below), whose sum is σ = 1716882840. Its totient is φ = 381529440.

The previous prime is 839364853. The next prime is 839364863. The reversal of 839364856 is 658463938.

It is a super-2 number, since 2×839364856² = 1409066722975801472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839364853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4769031 + ... + 4769206.

Almost surely, 2^839364856 is an apocalyptic number.

It is an amenable number.

839364856 is an abundant number, since it is smaller than the sum of its proper divisors (877517984).

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

839364856 is a wasteful number, since it uses less digits than its factorization.

839364856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538254 (or 9538250 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 839364856 is about 28971.7941453407. The cubic root of 839364856 is about 943.3009253837.

The spelling of 839364856 in words is "eight hundred thirty-nine million, three hundred sixty-four thousand, eight hundred fifty-six".