633964832 has 18 divisors (see below), whose sum is σ = 1248398739. Its totient is φ = 316911200.

The previous prime is 633964831. The next prime is 633964841. The reversal of 633964832 is 238469336.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 316982416 + 316982416 = 17804^2 + 17804^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17804.

It is a super-2 number, since 2×633964832² = 803822816425576448, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633964831) 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 2 ways as a sum of consecutive naturals, for example, 140207 + ... + 144657.

Almost surely, 2^633964832 is an apocalyptic number.

It is an amenable number.

633964832 is a deficient number, since it is larger than the sum of its proper divisors (614433907).

633964832 is an frugal number, since it uses more digits than its factorization.

633964832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912 (or 4453 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The square root of 633964832 is about 25178.6582644906. The cubic root of 633964832 is about 859.0564882309.

The spelling of 633964832 in words is "six hundred thirty-three million, nine hundred sixty-four thousand, eight hundred thirty-two".