252688038 has 24 divisors (see below), whose sum is σ = 517425048. Its totient is φ = 82266912.

The previous prime is 252688003. The next prime is 252688039. The reversal of 252688038 is 830886252.

It is a super-3 number, since 3×252688038³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252688039) 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 11 ways as a sum of consecutive naturals, for example, 295 + ... + 22482.

It is an arithmetic number, because the mean of its divisors is an integer number (21559377).

Almost surely, 2^252688038 is an apocalyptic number.

252688038 is an abundant number, since it is smaller than the sum of its proper divisors (264737010).

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

252688038 is a wasteful number, since it uses less digits than its factorization.

252688038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868 (or 22825 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 252688038 is about 15896.1642543099. The cubic root of 252688038 is about 632.2102912736.

The spelling of 252688038 in words is "two hundred fifty-two million, six hundred eighty-eight thousand, thirty-eight".