3898839056 has 30 divisors (see below), whose sum is σ = 8787308670. Its totient is φ = 1670930688.

The previous prime is 3898839037. The next prime is 3898839059. The reversal of 3898839056 is 6509388983.

It can be written as a sum of positive squares in only one way, i.e., 3891763456 + 7075600 = 62384^2 + 2660^2 .

It is a super-2 number, since 2×3898839056² = 30401891969181942272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3898838986 and 3898839004.

It is not an unprimeable number, because it can be changed into a prime (3898839059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2485721 + ... + 2487288.

It is an arithmetic number, because the mean of its divisors is an integer number (292910289).

Almost surely, 2^3898839056 is an apocalyptic number.

It is an amenable number.

3898839056 is an abundant number, since it is smaller than the sum of its proper divisors (4888469614).

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

3898839056 is a wasteful number, since it uses less digits than its factorization.

3898839056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973031 (or 4973018 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The square root of 3898839056 is about 62440.6843011830. The cubic root of 3898839056 is about 1573.9047133894.

The spelling of 3898839056 in words is "three billion, eight hundred ninety-eight million, eight hundred thirty-nine thousand, fifty-six".