634632412 has 12 divisors (see below), whose sum is σ = 1111672800. Its totient is φ = 317011616.

The previous prime is 634632391. The next prime is 634632431. The reversal of 634632412 is 214236436.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 71428 + ... + 79819.

It is an arithmetic number, because the mean of its divisors is an integer number (92639400).

Almost surely, 2^634632412 is an apocalyptic number.

It is an amenable number.

634632412 is a deficient number, since it is larger than the sum of its proper divisors (477040388).

634632412 is a wasteful number, since it uses less digits than its factorization.

634632412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152300 (or 152298 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 634632412 is about 25191.9116384605. The cubic root of 634632412 is about 859.3579180684.

Adding to 634632412 its reverse (214236436), we get a palindrome (848868848).

The spelling of 634632412 in words is "six hundred thirty-four million, six hundred thirty-two thousand, four hundred twelve".