382557988 has 18 divisors (see below), whose sum is σ = 699853574. Its totient is φ = 182961504.

The previous prime is 382557983. The next prime is 382558013. The reversal of 382557988 is 889755283.

It can be written as a sum of positive squares in only one way, i.e., 286557184 + 96000804 = 16928^2 + 9798^2 .

It is a super-2 number, since 2×382557988² = 292701228365216288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382557983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88281 + ... + 92512.

Almost surely, 2^382557988 is an apocalyptic number.

It is an amenable number.

382557988 is a deficient number, since it is larger than the sum of its proper divisors (317295586).

382557988 is a wasteful number, since it uses less digits than its factorization.

382557988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180843 (or 180818 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The square root of 382557988 is about 19559.0896516172. The cubic root of 382557988 is about 725.9372661176.

The spelling of 382557988 in words is "three hundred eighty-two million, five hundred fifty-seven thousand, nine hundred eighty-eight".