633490 has 32 divisors (see below), whose sum is σ = 1342656. Its totient is φ = 212160.

The previous prime is 633487. The next prime is 633497. The reversal of 633490 is 94336.

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 15 ways as a sum of consecutive naturals, for example, 1209 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (41958).

2⁶³³⁴⁹⁰ is an apocalyptic number.

633490 is an abundant number, since it is smaller than the sum of its proper divisors (709166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633490 is a wasteful number, since it uses less digits than its factorization.

633490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 633490 is about 795.9208503363. The cubic root of 633490 is about 85.8841960352.

It can be divided in two parts, 63 and 3490, that added together give a palindrome (3553).

The spelling of 633490 in words is "six hundred thirty-three thousand, four hundred ninety".