630996 has 12 divisors (see below), whose sum is σ = 1472352. Its totient is φ = 210328.

The previous prime is 630967. The next prime is 630997. The reversal of 630996 is 699036.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630997) 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, 26280 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (122696).

2⁶³⁰⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

630996 is an abundant number, since it is smaller than the sum of its proper divisors (841356).

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

630996 is a wasteful number, since it uses less digits than its factorization.

630996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52590 (or 52588 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 630996 is about 794.3525665597. The cubic root of 630996 is about 85.7713413776.

The spelling of 630996 in words is "six hundred thirty thousand, nine hundred ninety-six".