634914331 has 8 divisors (see below), whose sum is σ = 640286640. Its totient is φ = 629553792.

The previous prime is 634914323. The next prime is 634914359. The reversal of 634914331 is 133419436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634914331 - 2³ = 634914323 is a prime.

It is a super-2 number, since 2×634914331² = 806232415418355122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634914391) 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 7 ways as a sum of consecutive naturals, for example, 130071 + ... + 134863.

It is an arithmetic number, because the mean of its divisors is an integer number (80035830).

Almost surely, 2^634914331 is an apocalyptic number.

634914331 is a deficient number, since it is larger than the sum of its proper divisors (5372309).

634914331 is a wasteful number, since it uses less digits than its factorization.

634914331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885.

The product of its digits is 23328, while the sum is 34.

The square root of 634914331 is about 25197.5064440909. The cubic root of 634914331 is about 859.4851483911.

The spelling of 634914331 in words is "six hundred thirty-four million, nine hundred fourteen thousand, three hundred thirty-one".