631682 has 8 divisors (see below), whose sum is σ = 955152. Its totient is φ = 313300.

The previous prime is 631681. The next prime is 631711. The reversal of 631682 is 286136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (631681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (119394).

2⁶³¹⁶⁸² is an apocalyptic number.

631682 is a deficient number, since it is larger than the sum of its proper divisors (323470).

631682 is a wasteful number, since it uses less digits than its factorization.

631682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its digits is 1728, while the sum is 26.

The square root of 631682 is about 794.7842474534. The cubic root of 631682 is about 85.8024128003.

The spelling of 631682 in words is "six hundred thirty-one thousand, six hundred eighty-two".