331486 has 8 divisors (see below), whose sum is σ = 502200. Its totient is φ = 164088.

The previous prime is 331451. The next prime is 331489. The reversal of 331486 is 684133.

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

It is a self number, because there is not a number n which added to its sum of digits gives 331486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (62775).

2³³¹⁴⁸⁶ is an apocalyptic number.

331486 is a deficient number, since it is larger than the sum of its proper divisors (170714).

331486 is a wasteful number, since it uses less digits than its factorization.

331486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its digits is 1728, while the sum is 25.

The square root of 331486 is about 575.7482088552. The cubic root of 331486 is about 69.2078031451.

The spelling of 331486 in words is "three hundred thirty-one thousand, four hundred eighty-six".