631596 has 48 divisors (see below), whose sum is σ = 1723904. Its totient is φ = 176256.

The previous prime is 631583. The next prime is 631597. The reversal of 631596 is 695136.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (631597) 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, 6081 + ... + 6183.

2⁶³¹⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861952).

631596 is an abundant number, since it is smaller than the sum of its proper divisors (1092308).

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

631596 is a wasteful number, since it uses less digits than its factorization.

631596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 631596 is about 794.7301428787. The cubic root of 631596 is about 85.7985187827.

The spelling of 631596 in words is "six hundred thirty-one thousand, five hundred ninety-six".