634506212 has 12 divisors (see below), whose sum is σ = 1110834480. Its totient is φ = 317124936.

The previous prime is 634506203. The next prime is 634506239. The reversal of 634506212 is 212605436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20438 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (92569540).

Almost surely, 2^634506212 is an apocalyptic number.

It is an amenable number.

634506212 is a deficient number, since it is larger than the sum of its proper divisors (476328268).

634506212 is a wasteful number, since it uses less digits than its factorization.

634506212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64090 (or 64088 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 634506212 is about 25189.4067417238. The cubic root of 634506212 is about 859.3009516751.

The spelling of 634506212 in words is "six hundred thirty-four million, five hundred six thousand, two hundred twelve".