632985 has 16 divisors (see below), whose sum is σ = 1066560. Its totient is φ = 319680.

The previous prime is 632977. The next prime is 632987. The reversal of 632985 is 589236.

It is a happy number.

It is not a de Polignac number, because 632985 - 2³ = 632977 is a prime.

It is an alternating number because its digits alternate between even and odd.

632985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (632987) 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, 826 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (66660).

2⁶³²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

632985 is a deficient number, since it is larger than the sum of its proper divisors (433575).

632985 is a wasteful number, since it uses less digits than its factorization.

632985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its digits is 12960, while the sum is 33.

The square root of 632985 is about 795.6035444868. The cubic root of 632985 is about 85.8613684984.

Adding to 632985 its reverse (589236), we get a palindrome (1222221).

The spelling of 632985 in words is "six hundred thirty-two thousand, nine hundred eighty-five".