331596 has 36 divisors (see below), whose sum is σ = 857584. Its totient is φ = 108000.

The previous prime is 331589. The next prime is 331603. The reversal of 331596 is 695133.

It is an interprime number because it is at equal distance from previous prime (331589) and next prime (331603).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121 + ... + 2271.

2³³¹⁵⁹⁶ is an apocalyptic number.

331596 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428792).

331596 is an abundant number, since it is smaller than the sum of its proper divisors (525988).

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

331596 is a wasteful number, since it uses less digits than its factorization.

331596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 217 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 331596 is about 575.8437288015. The cubic root of 331596 is about 69.2154575825.

The spelling of 331596 in words is "three hundred thirty-one thousand, five hundred ninety-six".