633397 has 4 divisors (see below), whose sum is σ = 660960. Its totient is φ = 605836.

The previous prime is 633383. The next prime is 633401. The reversal of 633397 is 793336.

It is a happy number.

633397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633397 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633307) 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, 13747 + ... + 13792.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2⁶³³³⁹⁷ is an apocalyptic number.

It is an amenable number.

633397 is a deficient number, since it is larger than the sum of its proper divisors (27563).

633397 is a wasteful number, since it uses less digits than its factorization.

633397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27562.

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

The square root of 633397 is about 795.8624252972. The cubic root of 633397 is about 85.8799930638.

The spelling of 633397 in words is "six hundred thirty-three thousand, three hundred ninety-seven".