331394 has 8 divisors (see below), whose sum is σ = 568128. Its totient is φ = 142020.

The previous prime is 331391. The next prime is 331399. The reversal of 331394 is 493133.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331394.

It is not an unprimeable number, because it can be changed into a prime (331391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11822 + ... + 11849.

It is an arithmetic number, because the mean of its divisors is an integer number (71016).

2³³¹³⁹⁴ is an apocalyptic number.

331394 is a deficient number, since it is larger than the sum of its proper divisors (236734).

331394 is a wasteful number, since it uses less digits than its factorization.

331394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23680.

The product of its digits is 972, while the sum is 23.

The square root of 331394 is about 575.6683072742. The cubic root of 331394 is about 69.2013999516.

The spelling of 331394 in words is "three hundred thirty-one thousand, three hundred ninety-four".