634839275 has 12 divisors (see below), whose sum is σ = 899658192. Its totient is φ = 435318240.

The previous prime is 634839269. The next prime is 634839301. The reversal of 634839275 is 572938436.

It is a happy number.

It is not a de Polignac number, because 634839275 - 2⁴ = 634839259 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 1813652 + ... + 1814001.

It is an arithmetic number, because the mean of its divisors is an integer number (74971516).

Almost surely, 2^634839275 is an apocalyptic number.

634839275 is a deficient number, since it is larger than the sum of its proper divisors (264818917).

634839275 is a wasteful number, since it uses less digits than its factorization.

634839275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627670 (or 3627665 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 634839275 is about 25196.0170463508. The cubic root of 634839275 is about 859.4512792236.

The spelling of 634839275 in words is "six hundred thirty-four million, eight hundred thirty-nine thousand, two hundred seventy-five".