634320696 has 16 divisors (see below), whose sum is σ = 1585801800. Its totient is φ = 211440224.

The previous prime is 634320679. The next prime is 634320697. The reversal of 634320696 is 696023436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634320697) 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, 13214991 + ... + 13215038.

Almost surely, 2^634320696 is an apocalyptic number.

It is an amenable number.

634320696 is an abundant number, since it is smaller than the sum of its proper divisors (951481104).

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

634320696 is a wasteful number, since it uses less digits than its factorization.

634320696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430038 (or 26430034 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 634320696 is about 25185.7240515336. The cubic root of 634320696 is about 859.2171964592.

The spelling of 634320696 in words is "six hundred thirty-four million, three hundred twenty thousand, six hundred ninety-six".