633970 has 8 divisors (see below), whose sum is σ = 1141164. Its totient is φ = 253584.

The previous prime is 633967. The next prime is 633991. The reversal of 633970 is 79336.

633970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 11449 = 789^2 + 107^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31689 + ... + 31708.

2⁶³³⁹⁷⁰ is an apocalyptic number.

633970 is a deficient number, since it is larger than the sum of its proper divisors (507194).

633970 is a wasteful number, since it uses less digits than its factorization.

633970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63404.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 633970 is about 796.2223307594. Note that the first 3 decimals coincide. The cubic root of 633970 is about 85.9058822531.

The spelling of 633970 in words is "six hundred thirty-three thousand, nine hundred seventy".