632509434 has 12 divisors (see below), whose sum is σ = 1370437146. Its totient is φ = 210836472.

The previous prime is 632509433. The next prime is 632509447. The reversal of 632509434 is 434905236.

It can be written as a sum of positive squares in only one way, i.e., 375003225 + 257506209 = 19365^2 + 16047^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (632509433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17569689 + ... + 17569724.

Almost surely, 2^632509434 is an apocalyptic number.

632509434 is an abundant number, since it is smaller than the sum of its proper divisors (737927712).

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

632509434 is a wasteful number, since it uses less digits than its factorization.

632509434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35139421 (or 35139418 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 632509434 is about 25149.7402372271. The cubic root of 632509434 is about 858.3986036477.

The spelling of 632509434 in words is "six hundred thirty-two million, five hundred nine thousand, four hundred thirty-four".