331867 has 8 divisors (see below), whose sum is σ = 354816. Its totient is φ = 309672.

The previous prime is 331843. The next prime is 331871. The reversal of 331867 is 768133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331867 - 2⁷ = 331739 is a prime.

It is a super-2 number, since 2×331867² = 220271411378, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2³³¹⁸⁶⁷ is an apocalyptic number.

331867 is a deficient number, since it is larger than the sum of its proper divisors (22949).

331867 is a wasteful number, since it uses less digits than its factorization.

331867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 3024, while the sum is 28.

The square root of 331867 is about 576.0789876397. The cubic root of 331867 is about 69.2343081129.

The spelling of 331867 in words is "three hundred thirty-one thousand, eight hundred sixty-seven".