331672 has 16 divisors (see below), whose sum is σ = 678600. Its totient is φ = 150720.

The previous prime is 331663. The next prime is 331691. The reversal of 331672 is 276133.

It is a super-2 number, since 2×331672² = 220012631168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797 + ... + 1972.

2³³¹⁶⁷² is an apocalyptic number.

It is an amenable number.

331672 is an abundant number, since it is smaller than the sum of its proper divisors (346928).

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

331672 is a wasteful number, since it uses less digits than its factorization.

331672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3782 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 331672 is about 575.9097151464. The cubic root of 331672 is about 69.2207451140.

The spelling of 331672 in words is "three hundred thirty-one thousand, six hundred seventy-two".