633090 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 164864.

The previous prime is 633079. The next prime is 633091. The reversal of 633090 is 90336.

It is not an unprimeable number, because it can be changed into a prime (633091) by changing a digit.

633090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁶³³⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

633090 is an abundant number, since it is smaller than the sum of its proper divisors (922110).

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

633090 is a wasteful number, since it uses less digits than its factorization.

633090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 633090 is about 795.6695293902. The cubic root of 633090 is about 85.8661158174.

The spelling of 633090 in words is "six hundred thirty-three thousand, ninety".