632986 has 4 divisors (see below), whose sum is σ = 949482. Its totient is φ = 316492.

The previous prime is 632977. The next prime is 632987. The reversal of 632986 is 689236.

It is a happy number.

632986 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 961 = 795^2 + 31^2 .

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 as a sum of consecutive naturals, namely, 158245 + ... + 158248.

2⁶³²⁹⁸⁶ is an apocalyptic number.

632986 is a deficient number, since it is larger than the sum of its proper divisors (316496).

632986 is a wasteful number, since it uses less digits than its factorization.

632986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316495.

The product of its digits is 15552, while the sum is 34.

The square root of 632986 is about 795.6041729403. The cubic root of 632986 is about 85.8614137134.

The spelling of 632986 in words is "six hundred thirty-two thousand, nine hundred eighty-six".