838918056 has 32 divisors (see below), whose sum is σ = 2148451200. Its totient is φ = 272818560.

The previous prime is 838918043. The next prime is 838918081. The reversal of 838918056 is 650819838.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 838917996 and 838918014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425296 + ... + 427263.

It is an arithmetic number, because the mean of its divisors is an integer number (67139100).

Almost surely, 2^838918056 is an apocalyptic number.

It is an amenable number.

838918056 is an abundant number, since it is smaller than the sum of its proper divisors (1309533144).

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

838918056 is a wasteful number, since it uses less digits than its factorization.

838918056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852609 (or 852605 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 838918056 is about 28964.0821708543. The cubic root of 838918056 is about 943.1335203687.

The spelling of 838918056 in words is "eight hundred thirty-eight million, nine hundred eighteen thousand, fifty-six".