331694 has 8 divisors (see below), whose sum is σ = 542808. Its totient is φ = 150760.

The previous prime is 331693. The next prime is 331697. The reversal of 331694 is 496133.

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

It is a super-2 number, since 2×331694² = 220041819272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331691) 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, 7517 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (67851).

2³³¹⁶⁹⁴ is an apocalyptic number.

331694 is a deficient number, since it is larger than the sum of its proper divisors (211114).

331694 is a wasteful number, since it uses less digits than its factorization.

331694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15090.

The product of its digits is 1944, while the sum is 26.

The square root of 331694 is about 575.9288150457. The cubic root of 331694 is about 69.2222755645. Note that the first 4 decimals are identical.

The spelling of 331694 in words is "three hundred thirty-one thousand, six hundred ninety-four".