634456476 has 36 divisors (see below), whose sum is σ = 1663166232. Its totient is φ = 211485168.

The previous prime is 634456469. The next prime is 634456489. The reversal of 634456476 is 674654436.

It is a happy number.

634456476 is a `hidden beast` number, since 634 + 4 + 5 + 6 + 4 + 7 + 6 = 666.

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 325395 + ... + 327338.

It is an arithmetic number, because the mean of its divisors is an integer number (46199062).

Almost surely, 2^634456476 is an apocalyptic number.

It is an amenable number.

634456476 is an abundant number, since it is smaller than the sum of its proper divisors (1028709756).

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

634456476 is a wasteful number, since it uses less digits than its factorization.

634456476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652752 (or 652738 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 634456476 is about 25188.4194819762. The cubic root of 634456476 is about 859.2784988826.

The spelling of 634456476 in words is "six hundred thirty-four million, four hundred fifty-six thousand, four hundred seventy-six".