633669 has 8 divisors (see below), whose sum is σ = 889440. Its totient is φ = 400176.

The previous prime is 633667. The next prime is 633739. The reversal of 633669 is 966336.

633669 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 633669 - 2¹ = 633667 is a prime.

It is a super-2 number, since 2×633669² = 803072803122, which contains 22 as substring.

633669 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502 + ... + 5615.

It is an arithmetic number, because the mean of its divisors is an integer number (111180).

2⁶³³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

633669 is a deficient number, since it is larger than the sum of its proper divisors (255771).

633669 is a wasteful number, since it uses less digits than its factorization.

633669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139.

The product of its digits is 17496, while the sum is 33.

The square root of 633669 is about 796.0332907611. The cubic root of 633669 is about 85.8922844677.

The spelling of 633669 in words is "six hundred thirty-three thousand, six hundred sixty-nine".