633902 has 4 divisors (see below), whose sum is σ = 950856. Its totient is φ = 316950.

The previous prime is 633883. The next prime is 633923. The reversal of 633902 is 209336.

It is a happy number.

633902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158474 + ... + 158477.

It is an arithmetic number, because the mean of its divisors is an integer number (237714).

2⁶³³⁹⁰² is an apocalyptic number.

633902 is a deficient number, since it is larger than the sum of its proper divisors (316954).

633902 is a wasteful number, since it uses less digits than its factorization.

633902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316953.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 633902 is about 796.1796279735. The cubic root of 633902 is about 85.9028107045.

The spelling of 633902 in words is "six hundred thirty-three thousand, nine hundred two".