382978572 has 12 divisors (see below), whose sum is σ = 893616696. Its totient is φ = 127659520.

The previous prime is 382978571. The next prime is 382978579. The reversal of 382978572 is 275879283.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×382978572² = 293345173222318368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382978571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15957429 + ... + 15957452.

It is an arithmetic number, because the mean of its divisors is an integer number (74468058).

Almost surely, 2^382978572 is an apocalyptic number.

It is an amenable number.

382978572 is an abundant number, since it is smaller than the sum of its proper divisors (510638124).

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

382978572 is a wasteful number, since it uses less digits than its factorization.

382978572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31914888 (or 31914886 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 382978572 is about 19569.8383232974. The cubic root of 382978572 is about 726.2032003362.

The spelling of 382978572 in words is "three hundred eighty-two million, nine hundred seventy-eight thousand, five hundred seventy-two".