633974 has 8 divisors (see below), whose sum is σ = 1037448. Its totient is φ = 288160.

The previous prime is 633967. The next prime is 633991. The reversal of 633974 is 479336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 633974.

It is a congruent number.

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, 14387 + ... + 14430.

It is an arithmetic number, because the mean of its divisors is an integer number (129681).

2⁶³³⁹⁷⁴ is an apocalyptic number.

633974 is a deficient number, since it is larger than the sum of its proper divisors (403474).

633974 is a wasteful number, since it uses less digits than its factorization.

633974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28830.

The product of its digits is 13608, while the sum is 32.

The square root of 633974 is about 796.2248426167. The cubic root of 633974 is about 85.9060629255.

The spelling of 633974 in words is "six hundred thirty-three thousand, nine hundred seventy-four".