839049956 has 12 divisors (see below), whose sum is σ = 1545618480. Its totient is φ = 397444680.

The previous prime is 839049949. The next prime is 839049971. The reversal of 839049956 is 659940938.

It is a junction number, because it is equal to n+sod(n) for n = 839049898 and 839049907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519990 + ... + 5520141.

It is an arithmetic number, because the mean of its divisors is an integer number (128801540).

Almost surely, 2^839049956 is an apocalyptic number.

It is an amenable number.

839049956 is a deficient number, since it is larger than the sum of its proper divisors (706568524).

839049956 is a wasteful number, since it uses less digits than its factorization.

839049956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040154 (or 11040152 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 839049956 is about 28966.3590394098. The cubic root of 839049956 is about 943.1829462498.

The spelling of 839049956 in words is "eight hundred thirty-nine million, forty-nine thousand, nine hundred fifty-six".