633632 has 12 divisors (see below), whose sum is σ = 1247526. Its totient is φ = 316800.

The previous prime is 633629. The next prime is 633649. The reversal of 633632 is 236336.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 633616 + 16 = 796^2 + 4^2 .

It is a super-2 number, since 2×633632² = 802979022848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 633598 and 633607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9869 + ... + 9932.

2⁶³³⁶³² is an apocalyptic number.

It is an amenable number.

633632 is a deficient number, since it is larger than the sum of its proper divisors (613894).

633632 is a wasteful number, since it uses less digits than its factorization.

633632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811 (or 19803 counting only the distinct ones).

The product of its digits is 1944, while the sum is 23.

The square root of 633632 is about 796.0100501878. The cubic root of 633632 is about 85.8906126820.

Adding to 633632 its reverse (236336), we get a palindrome (869968).

The spelling of 633632 in words is "six hundred thirty-three thousand, six hundred thirty-two".