634536152 has 32 divisors (see below), whose sum is σ = 1280409120. Its totient is φ = 293706240.

The previous prime is 634536127. The next prime is 634536173. The reversal of 634536152 is 251635436.

It is a super-2 number, since 2×634536152² = 805272256389934208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29948 + ... + 46539.

It is an arithmetic number, because the mean of its divisors is an integer number (40012785).

Almost surely, 2^634536152 is an apocalyptic number.

It is an amenable number.

634536152 is an abundant number, since it is smaller than the sum of its proper divisors (645872968).

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

634536152 is a wasteful number, since it uses less digits than its factorization.

634536152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76571 (or 76567 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 634536152 is about 25190.0010321556. The cubic root of 634536152 is about 859.3144672065.

The spelling of 634536152 in words is "six hundred thirty-four million, five hundred thirty-six thousand, one hundred fifty-two".