634496 has 16 divisors (see below), whose sum is σ = 1264290. Its totient is φ = 317184.

The previous prime is 634493. The next prime is 634499. The reversal of 634496 is 694436.

It is an interprime number because it is at equal distance from previous prime (634493) and next prime (634499).

It can be written as a sum of positive squares in only one way, i.e., 440896 + 193600 = 664^2 + 440^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (634493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2351 + ... + 2606.

2⁶³⁴⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

634496 is a deficient number, since it is larger than the sum of its proper divisors (629794).

634496 is an equidigital number, since it uses as much as digits as its factorization.

634496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4959 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 634496 is about 796.5525720252. The cubic root of 634496 is about 85.9296341671.

The spelling of 634496 in words is "six hundred thirty-four thousand, four hundred ninety-six".