382987969 has 24 divisors (see below), whose sum is σ = 483705600. Its totient is φ = 302977584.

The previous prime is 382987967. The next prime is 382987993. The reversal of 382987969 is 969789283.

It is a happy number.

It is not a de Polignac number, because 382987969 - 2¹ = 382987967 is a prime.

It is a super-2 number, since 2×382987969² = 293359568797489922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382987967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54664 + ... + 61270.

It is an arithmetic number, because the mean of its divisors is an integer number (20154400).

Almost surely, 2^382987969 is an apocalyptic number.

It is an amenable number.

382987969 is a deficient number, since it is larger than the sum of its proper divisors (100717631).

382987969 is an equidigital number, since it uses as much as digits as its factorization.

382987969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654 (or 6627 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 61.

The square root of 382987969 is about 19570.0784106758. The cubic root of 382987969 is about 726.2091398118.

The spelling of 382987969 in words is "three hundred eighty-two million, nine hundred eighty-seven thousand, nine hundred sixty-nine".