3898860256 has 24 divisors (see below), whose sum is σ = 7678090224. Its totient is φ = 1948869120.

The previous prime is 3898860241. The next prime is 3898860299. The reversal of 3898860256 is 6520688983.

It is a happy number.

It is a super-2 number, since 2×3898860256² = 30402222591632771072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3898860197 and 3898860206.

It is a congruent number.

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, 109576 + ... + 140728.

It is an arithmetic number, because the mean of its divisors is an integer number (319920426).

Almost surely, 2^3898860256 is an apocalyptic number.

It is an amenable number.

3898860256 is a deficient number, since it is larger than the sum of its proper divisors (3779229968).

3898860256 is a wasteful number, since it uses less digits than its factorization.

3898860256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35074 (or 35066 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 3898860256 is about 62440.8540620642. The cubic root of 3898860256 is about 1573.9075660949.

The spelling of 3898860256 in words is "three billion, eight hundred ninety-eight million, eight hundred sixty thousand, two hundred fifty-six".