634084812 has 36 divisors (see below), whose sum is σ = 1625407056. Its totient is φ = 208383840.

The previous prime is 634084771. The next prime is 634084823. The reversal of 634084812 is 218480436.

634084812 is a `hidden beast` number, since 634 + 0 + 8 + 4 + 8 + 12 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121483 + ... + 126594.

It is an arithmetic number, because the mean of its divisors is an integer number (45150196).

Almost surely, 2^634084812 is an apocalyptic number.

It is an amenable number.

634084812 is an abundant number, since it is smaller than the sum of its proper divisors (991322244).

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

634084812 is a wasteful number, since it uses less digits than its factorization.

634084812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248158 (or 248153 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 634084812 is about 25181.0407251170. The cubic root of 634084812 is about 859.1106779329.

The spelling of 634084812 in words is "six hundred thirty-four million, eighty-four thousand, eight hundred twelve".