634324512 has 48 divisors (see below), whose sum is σ = 1685184480. Its totient is φ = 208891392.

The previous prime is 634324501. The next prime is 634324529. The reversal of 634324512 is 215423436.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 634324512.

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, 31837 + ... + 47772.

It is an arithmetic number, because the mean of its divisors is an integer number (35108010).

Almost surely, 2^634324512 is an apocalyptic number.

It is an amenable number.

634324512 is an abundant number, since it is smaller than the sum of its proper divisors (1050859968).

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

634324512 is a wasteful number, since it uses less digits than its factorization.

634324512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79705 (or 79697 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 634324512 is about 25185.7998086223. The cubic root of 634324512 is about 859.2189194396.

Adding to 634324512 its reverse (215423436), we get a palindrome (849747948).

The spelling of 634324512 in words is "six hundred thirty-four million, three hundred twenty-four thousand, five hundred twelve".