3886557984 has 48 divisors (see below), whose sum is σ = 11335796640. Its totient is φ = 1295519040.

The previous prime is 3886557973. The next prime is 3886557991. The reversal of 3886557984 is 4897556883.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248302 + ... + 2250029.

It is an arithmetic number, because the mean of its divisors is an integer number (236162430).

Almost surely, 2^3886557984 is an apocalyptic number.

It is an amenable number.

3886557984 is an abundant number, since it is smaller than the sum of its proper divisors (7449238656).

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

3886557984 is a wasteful number, since it uses less digits than its factorization.

3886557984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498350 (or 4498336 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The square root of 3886557984 is about 62342.2648289265. The cubic root of 3886557984 is about 1572.2504117139.

The spelling of 3886557984 in words is "three billion, eight hundred eighty-six million, five hundred fifty-seven thousand, nine hundred eighty-four".