633973 has 8 divisors (see below), whose sum is σ = 679520. Its totient is φ = 589680.

The previous prime is 633967. The next prime is 633991. The reversal of 633973 is 379336.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 633973 - 2⁹ = 633461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 886 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (84940).

2⁶³³⁹⁷³ is an apocalyptic number.

It is an amenable number.

633973 is a deficient number, since it is larger than the sum of its proper divisors (45547).

633973 is a wasteful number, since it uses less digits than its factorization.

633973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its digits is 10206, while the sum is 31.

The square root of 633973 is about 796.2242146531. The cubic root of 633973 is about 85.9060177575.

The spelling of 633973 in words is "six hundred thirty-three thousand, nine hundred seventy-three".