634613676 has 24 divisors (see below), whose sum is σ = 1505864640. Its totient is φ = 207952272.

The previous prime is 634613663. The next prime is 634613711. The reversal of 634613676 is 676316436.

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, 447466 + ... + 448881.

It is an arithmetic number, because the mean of its divisors is an integer number (62744360).

Almost surely, 2^634613676 is an apocalyptic number.

It is an amenable number.

634613676 is an abundant number, since it is smaller than the sum of its proper divisors (871250964).

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

634613676 is a wasteful number, since it uses less digits than its factorization.

634613676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896413 (or 896411 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 634613676 is about 25191.5397703277. The cubic root of 634613676 is about 859.3494611580.

The spelling of 634613676 in words is "six hundred thirty-four million, six hundred thirteen thousand, six hundred seventy-six".