331682 has 8 divisors (see below), whose sum is σ = 535836. Its totient is φ = 153072.

The previous prime is 331663. The next prime is 331691. The reversal of 331682 is 286133.

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 7921 = 569^2 + 89^2 .

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

It is a super-2 number, since 2×331682² = 220025898248, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331682.

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, 6353 + ... + 6404.

2³³¹⁶⁸² is an apocalyptic number.

331682 is a deficient number, since it is larger than the sum of its proper divisors (204154).

331682 is a wasteful number, since it uses less digits than its factorization.

331682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772.

The product of its digits is 864, while the sum is 23.

The square root of 331682 is about 575.9183969974. The cubic root of 331682 is about 69.2214407817.

Adding to 331682 its sum of digits (23), we get a triangular number (331705 = T₈₁₄).

The spelling of 331682 in words is "three hundred thirty-one thousand, six hundred eighty-two".