631716 has 24 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 206880.

The previous prime is 631711. The next prime is 631717. The reversal of 631716 is 617136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631711) by changing a digit.

631716 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 7 ways as a sum of consecutive naturals, for example, 301 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2⁶³¹⁷¹⁶ is an apocalyptic number.

It is an amenable number.

631716 is an abundant number, since it is smaller than the sum of its proper divisors (868188).

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

631716 is a wasteful number, since it uses less digits than its factorization.

631716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 631716 is about 794.8056366182. The cubic root of 631716 is about 85.8039521981.

The spelling of 631716 in words is "six hundred thirty-one thousand, seven hundred sixteen".