633280 has 28 divisors (see below), whose sum is σ = 1508760. Its totient is φ = 253184.

The previous prime is 633271. The next prime is 633287. The reversal of 633280 is 82336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633287) by changing a digit.

633280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670 + ... + 1309.

2⁶³³²⁸⁰ is an apocalyptic number.

It is an amenable number.

633280 is an abundant number, since it is smaller than the sum of its proper divisors (875480).

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

633280 is a wasteful number, since it uses less digits than its factorization.

633280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 633280 is about 795.7889167361. The cubic root of 633280 is about 85.8747048701.

The spelling of 633280 in words is "six hundred thirty-three thousand, two hundred eighty".