634320692 has 12 divisors (see below), whose sum is σ = 1135876896. Its totient is φ = 309784440.

The previous prime is 634320679. The next prime is 634320697. The reversal of 634320692 is 296023436.

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, 1843784 + ... + 1844127.

It is an arithmetic number, because the mean of its divisors is an integer number (94656408).

Almost surely, 2^634320692 is an apocalyptic number.

It is an amenable number.

634320692 is a deficient number, since it is larger than the sum of its proper divisors (501556204).

634320692 is a wasteful number, since it uses less digits than its factorization.

634320692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687958 (or 3687956 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 634320692 is about 25185.7239721236. The cubic root of 634320692 is about 859.2171946532.

The spelling of 634320692 in words is "six hundred thirty-four million, three hundred twenty thousand, six hundred ninety-two".