331472 has 10 divisors (see below), whose sum is σ = 642258. Its totient is φ = 165728.

The previous prime is 331451. The next prime is 331489. The reversal of 331472 is 274133.

It can be written as a sum of positive squares in only one way, i.e., 190096 + 141376 = 436^2 + 376^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10343 + ... + 10374.

2³³¹⁴⁷² is an apocalyptic number.

It is an amenable number.

331472 is a deficient number, since it is larger than the sum of its proper divisors (310786).

331472 is a wasteful number, since it uses less digits than its factorization.

331472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725 (or 20719 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 331472 is about 575.7360506343. The cubic root of 331472 is about 69.2068288226.

The spelling of 331472 in words is "three hundred thirty-one thousand, four hundred seventy-two".