3897302856 has 16 divisors (see below), whose sum is σ = 9743257200. Its totient is φ = 1299100944.

The previous prime is 3897302803. The next prime is 3897302861. The reversal of 3897302856 is 6582037983.

It is a junction number, because it is equal to n+sod(n) for n = 3897302799 and 3897302808.

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, 81193786 + ... + 81193833.

It is an arithmetic number, because the mean of its divisors is an integer number (608953575).

Almost surely, 2^3897302856 is an apocalyptic number.

It is an amenable number.

3897302856 is an abundant number, since it is smaller than the sum of its proper divisors (5845954344).

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

3897302856 is a wasteful number, since it uses less digits than its factorization.

3897302856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162387628 (or 162387624 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 3897302856 is about 62428.3818146843. The cubic root of 3897302856 is about 1573.6979723562.

The spelling of 3897302856 in words is "three billion, eight hundred ninety-seven million, three hundred two thousand, eight hundred fifty-six".