634540652 has 48 divisors (see below), whose sum is σ = 1187730432. Its totient is φ = 295975680.

The previous prime is 634540649. The next prime is 634540661. The reversal of 634540652 is 256045436.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696077 + ... + 696987.

It is an arithmetic number, because the mean of its divisors is an integer number (24744384).

Almost surely, 2^634540652 is an apocalyptic number.

It is an amenable number.

634540652 is a deficient number, since it is larger than the sum of its proper divisors (553189780).

634540652 is a wasteful number, since it uses less digits than its factorization.

634540652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 634540652 is about 25190.0903531528. The cubic root of 634540652 is about 859.3164985622.

The spelling of 634540652 in words is "six hundred thirty-four million, five hundred forty thousand, six hundred fifty-two".