634016 has 12 divisors (see below), whose sum is σ = 1248282. Its totient is φ = 316992.

The previous prime is 634013. The next prime is 634031. The reversal of 634016 is 610436.

634016 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 633616 + 400 = 796^2 + 20^2 .

It is not an unprimeable number, because it can be changed into a prime (634013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9875 + ... + 9938.

2⁶³⁴⁰¹⁶ is an apocalyptic number.

It is an amenable number.

634016 is a deficient number, since it is larger than the sum of its proper divisors (614266).

634016 is a wasteful number, since it uses less digits than its factorization.

634016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823 (or 19815 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 634016 is about 796.2512166396. The cubic root of 634016 is about 85.9079599408.

The spelling of 634016 in words is "six hundred thirty-four thousand, sixteen".