634942528 has 28 divisors (see below), whose sum is σ = 1374507792. Its totient is φ = 288609920.

The previous prime is 634942519. The next prime is 634942541. The reversal of 634942528 is 825249436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450250 + ... + 451657.

It is an arithmetic number, because the mean of its divisors is an integer number (49089564).

Almost surely, 2^634942528 is an apocalyptic number.

It is an amenable number.

634942528 is an abundant number, since it is smaller than the sum of its proper divisors (739565264).

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

634942528 is a wasteful number, since it uses less digits than its factorization.

634942528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901930 (or 901920 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 634942528 is about 25198.0659575294. The cubic root of 634942528 is about 859.4978716530.

The spelling of 634942528 in words is "six hundred thirty-four million, nine hundred forty-two thousand, five hundred twenty-eight".