634946652 has 36 divisors (see below), whose sum is σ = 1613986920. Its totient is φ = 210464352.

The previous prime is 634946633. The next prime is 634946657. The reversal of 634946652 is 256649436.

634946652 is a `hidden beast` number, since 634 + 9 + 4 + 6 + 6 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 634946598 and 634946607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634946657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42823 + ... + 55710.

It is an arithmetic number, because the mean of its divisors is an integer number (44832970).

Almost surely, 2^634946652 is an apocalyptic number.

It is an amenable number.

634946652 is an abundant number, since it is smaller than the sum of its proper divisors (979040268).

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

634946652 is a wasteful number, since it uses less digits than its factorization.

634946652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98722 (or 98717 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 634946652 is about 25198.1477890737. The cubic root of 634946652 is about 859.4997324837.

The spelling of 634946652 in words is "six hundred thirty-four million, nine hundred forty-six thousand, six hundred fifty-two".