314391 has 16 divisors (see below), whose sum is σ = 523008. Its totient is φ = 163200.

The previous prime is 314359. The next prime is 314399. The reversal of 314391 is 193413.

It is not a de Polignac number, because 314391 - 2⁵ = 314359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 314391.

It is not an unprimeable number, because it can be changed into a prime (314399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 911.

It is an arithmetic number, because the mean of its divisors is an integer number (32688).

2³¹⁴³⁹¹ is an apocalyptic number.

314391 is a deficient number, since it is larger than the sum of its proper divisors (208617).

314391 is a wasteful number, since it uses less digits than its factorization.

314391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its digits is 324, while the sum is 21.

The square root of 314391 is about 560.7058052134. The cubic root of 314391 is about 67.9970442775.

The spelling of 314391 in words is "three hundred fourteen thousand, three hundred ninety-one".