634659152 has 10 divisors (see below), whose sum is σ = 1229652138. Its totient is φ = 317329568.

The previous prime is 634659133. The next prime is 634659163. The reversal of 634659152 is 251956436.

It can be written as a sum of positive squares in only one way, i.e., 559038736 + 75620416 = 23644^2 + 8696^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19833083 + ... + 19833114.

Almost surely, 2^634659152 is an apocalyptic number.

It is an amenable number.

634659152 is a deficient number, since it is larger than the sum of its proper divisors (594992986).

634659152 is a wasteful number, since it uses less digits than its factorization.

634659152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39666205 (or 39666199 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 634659152 is about 25192.4423587710. The cubic root of 634659152 is about 859.3699874740.

The spelling of 634659152 in words is "six hundred thirty-four million, six hundred fifty-nine thousand, one hundred fifty-two".