253622868 has 24 divisors (see below), whose sum is σ = 622933920. Its totient is φ = 80091360.

The previous prime is 253622867. The next prime is 253622879. The reversal of 253622868 is 868226352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253622867) 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 7 ways as a sum of consecutive naturals, for example, 555963 + ... + 556418.

It is an arithmetic number, because the mean of its divisors is an integer number (25955580).

Almost surely, 2^253622868 is an apocalyptic number.

It is an amenable number.

253622868 is an abundant number, since it is smaller than the sum of its proper divisors (369311052).

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

253622868 is a wasteful number, since it uses less digits than its factorization.

253622868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112407 (or 1112405 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 253622868 is about 15925.5413722737. The cubic root of 253622868 is about 632.9889613213.

The spelling of 253622868 in words is "two hundred fifty-three million, six hundred twenty-two thousand, eight hundred sixty-eight".