630632 has 16 divisors (see below), whose sum is σ = 1252260. Its totient is φ = 296704.

The previous prime is 630613. The next prime is 630659. The reversal of 630632 is 236036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 196 = 794^2 + 14^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183 + ... + 2454.

2⁶³⁰⁶³² is an apocalyptic number.

It is an amenable number.

630632 is a deficient number, since it is larger than the sum of its proper divisors (621628).

630632 is a wasteful number, since it uses less digits than its factorization.

630632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 630632 is about 794.1234161010. The cubic root of 630632 is about 85.7548453546.

Adding to 630632 its reverse (236036), we get a palindrome (866668).

The spelling of 630632 in words is "six hundred thirty thousand, six hundred thirty-two".