3948581904 has 20 divisors (see below), whose sum is σ = 10200503376. Its totient is φ = 1316193952.

The previous prime is 3948581887. The next prime is 3948581963. The reversal of 3948581904 is 4091858493.

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, 41131014 + ... + 41131109.

Almost surely, 2^3948581904 is an apocalyptic number.

It is an amenable number.

3948581904 is an abundant number, since it is smaller than the sum of its proper divisors (6251921472).

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

3948581904 is a wasteful number, since it uses less digits than its factorization.

3948581904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82262134 (or 82262128 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 3948581904 is about 62837.7426711049. The cubic root of 3948581904 is about 1580.5699359257.

The spelling of 3948581904 in words is "three billion, nine hundred forty-eight million, five hundred eighty-one thousand, nine hundred four".