3881489864 has 32 divisors (see below), whose sum is σ = 8329132800. Its totient is φ = 1661164800.

The previous prime is 3881489863. The next prime is 3881489897. The reversal of 3881489864 is 4689841883.

It is not an unprimeable number, because it can be changed into a prime (3881489863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937 + ... + 88464.

It is an arithmetic number, because the mean of its divisors is an integer number (260285400).

Almost surely, 2^3881489864 is an apocalyptic number.

It is an amenable number.

3881489864 is an abundant number, since it is smaller than the sum of its proper divisors (4447642936).

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

3881489864 is a wasteful number, since it uses less digits than its factorization.

3881489864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97133 (or 97129 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 59.

The square root of 3881489864 is about 62301.6040242946. The cubic root of 3881489864 is about 1571.5667030689.

The spelling of 3881489864 in words is "three billion, eight hundred eighty-one million, four hundred eighty-nine thousand, eight hundred sixty-four".