634560634 has 8 divisors (see below), whose sum is σ = 954040500. Its totient is φ = 316547136.

The previous prime is 634560631. The next prime is 634560643. The reversal of 634560634 is 436065436.

It can be written as a sum of positive squares in 2 ways, for example, as 468073225 + 166487409 = 21635^2 + 12903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 634560593 and 634560602.

It is not an unprimeable number, because it can be changed into a prime (634560631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365509 + ... + 367240.

Almost surely, 2^634560634 is an apocalyptic number.

634560634 is a deficient number, since it is larger than the sum of its proper divisors (319479866).

634560634 is a wasteful number, since it uses less digits than its factorization.

634560634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733184.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 634560634 is about 25190.4869742528. The cubic root of 634560634 is about 859.3255185685.

The spelling of 634560634 in words is "six hundred thirty-four million, five hundred sixty thousand, six hundred thirty-four".