633868 has 12 divisors (see below), whose sum is σ = 1120392. Its totient is φ = 313760.

The previous prime is 633833. The next prime is 633877. The reversal of 633868 is 868336.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2⁶³³⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

633868 is a deficient number, since it is larger than the sum of its proper divisors (486524).

633868 is a wasteful number, since it uses less digits than its factorization.

633868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 633868 is about 796.1582757216. The cubic root of 633868 is about 85.9012748479.

The spelling of 633868 in words is "six hundred thirty-three thousand, eight hundred sixty-eight".