633994 has 8 divisors (see below), whose sum is σ = 954720. Its totient is φ = 315756.

The previous prime is 633991. The next prime is 634003. The reversal of 633994 is 499336.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

2⁶³³⁹⁹⁴ is an apocalyptic number.

633994 is a deficient number, since it is larger than the sum of its proper divisors (320726).

633994 is a wasteful number, since it uses less digits than its factorization.

633994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its digits is 17496, while the sum is 34.

The square root of 633994 is about 796.2374017842. The cubic root of 633994 is about 85.9069662766.

The spelling of 633994 in words is "six hundred thirty-three thousand, nine hundred ninety-four".