381002972 has 24 divisors (see below), whose sum is σ = 802112640. Its totient is φ = 154692720.

The previous prime is 381002971. The next prime is 381002977. The reversal of 381002972 is 279200183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381002971) 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, 357554 + ... + 358617.

It is an arithmetic number, because the mean of its divisors is an integer number (33421360).

Almost surely, 2^381002972 is an apocalyptic number.

It is an amenable number.

381002972 is an abundant number, since it is smaller than the sum of its proper divisors (421109668).

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

381002972 is a wasteful number, since it uses less digits than its factorization.

381002972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716201 (or 716199 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 381002972 is about 19519.2974258809. The cubic root of 381002972 is about 724.9523374136.

The spelling of 381002972 in words is "three hundred eighty-one million, two thousand, nine hundred seventy-two".