252690984 has 96 divisors (see below), whose sum is σ = 842325120. Its totient is φ = 66642048.

The previous prime is 252690979. The next prime is 252690989. The reversal of 252690984 is 489096252.

It is an interprime number because it is at equal distance from previous prime (252690979) and next prime (252690989).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (252690989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12732 + ... + 25835.

It is an arithmetic number, because the mean of its divisors is an integer number (8774220).

Almost surely, 2^252690984 is an apocalyptic number.

252690984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252690984 is an abundant number, since it is smaller than the sum of its proper divisors (589634136).

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

252690984 is a wasteful number, since it uses less digits than its factorization.

252690984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38599 (or 38592 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 252690984 is about 15896.2569179037. The cubic root of 252690984 is about 632.2127481691.

The spelling of 252690984 in words is "two hundred fifty-two million, six hundred ninety thousand, nine hundred eighty-four".