634416508 has 12 divisors (see below), whose sum is σ = 1211158872. Its totient is φ = 288371120.

The previous prime is 634416473. The next prime is 634416509. The reversal of 634416508 is 805614436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634416509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7209235 + ... + 7209322.

It is an arithmetic number, because the mean of its divisors is an integer number (100929906).

Almost surely, 2^634416508 is an apocalyptic number.

It is an amenable number.

634416508 is a deficient number, since it is larger than the sum of its proper divisors (576742364).

634416508 is a wasteful number, since it uses less digits than its factorization.

634416508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418572 (or 14418570 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 634416508 is about 25187.6260890144. The cubic root of 634416508 is about 859.2604549004.

The spelling of 634416508 in words is "six hundred thirty-four million, four hundred sixteen thousand, five hundred eight".