633489 has 8 divisors (see below), whose sum is σ = 881472. Its totient is φ = 403920.

The previous prime is 633487. The next prime is 633497. The reversal of 633489 is 984336.

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

It is not a de Polignac number, because 633489 - 2¹ = 633487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633487) 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, 4522 + ... + 4659.

It is an arithmetic number, because the mean of its divisors is an integer number (110184).

2⁶³³⁴⁸⁹ is an apocalyptic number.

633489 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

633489 is a deficient number, since it is larger than the sum of its proper divisors (247983).

633489 is a wasteful number, since it uses less digits than its factorization.

633489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207.

The product of its digits is 15552, while the sum is 33.

The square root of 633489 is about 795.9202221328. The cubic root of 633489 is about 85.8841508441.

The spelling of 633489 in words is "six hundred thirty-three thousand, four hundred eighty-nine".