634228375 has 16 divisors (see below), whose sum is σ = 863474976. Its totient is φ = 461256000.

The previous prime is 634228337. The next prime is 634228391. The reversal of 634228375 is 573822436.

It is not a de Polignac number, because 634228375 - 2⁹ = 634227863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 229254 + ... + 232003.

It is an arithmetic number, because the mean of its divisors is an integer number (53967186).

Almost surely, 2^634228375 is an apocalyptic number.

634228375 is a deficient number, since it is larger than the sum of its proper divisors (229246601).

634228375 is a wasteful number, since it uses less digits than its factorization.

634228375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461283 (or 461273 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 634228375 is about 25183.8911806734. The cubic root of 634228375 is about 859.1755100589.

The spelling of 634228375 in words is "six hundred thirty-four million, two hundred twenty-eight thousand, three hundred seventy-five".