633493 has 4 divisors (see below), whose sum is σ = 724000. Its totient is φ = 542988.

The previous prime is 633487. The next prime is 633497. The reversal of 633493 is 394336.

633493 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 not a de Polignac number, because 633493 - 2⁵ = 633461 is a prime.

It is an Ulam 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 (633497) 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, 45243 + ... + 45256.

It is an arithmetic number, because the mean of its divisors is an integer number (181000).

2⁶³³⁴⁹³ is an apocalyptic number.

It is an amenable number.

633493 is a deficient number, since it is larger than the sum of its proper divisors (90507).

633493 is an equidigital number, since it uses as much as digits as its factorization.

633493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90506.

The product of its digits is 5832, while the sum is 28.

The square root of 633493 is about 795.9227349435. The cubic root of 633493 is about 85.8843316081.

The spelling of 633493 in words is "six hundred thirty-three thousand, four hundred ninety-three".