633616 has 15 divisors (see below), whose sum is σ = 1233831. Its totient is φ = 315216.

The previous prime is 633613. The next prime is 633623. The reversal of 633616 is 616336.

The square root of 633616 is 796.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633613) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3085 + ... + 3283.

2⁶³³⁶¹⁶ is an apocalyptic number.

633616 is the 796-th square number.

It is an amenable number.

633616 is a deficient number, since it is larger than the sum of its proper divisors (600215).

633616 is an equidigital number, since it uses as much as digits as its factorization.

633616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 201 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The cubic root of 633616 is about 85.8898897275.

Multiplying 633616 by its sum of digits (25), we get a square (15840400 = 3980²).

The spelling of 633616 in words is "six hundred thirty-three thousand, six hundred sixteen".