314309 has 4 divisors (see below), whose sum is σ = 324480. Its totient is φ = 304140.

The previous prime is 314299. The next prime is 314329. The reversal of 314309 is 903413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314309 is a prime.

It is a Duffinian number.

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 314309.

It is not an unprimeable number, because it can be changed into a prime (314329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5039 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (81120).

2³¹⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

314309 is a deficient number, since it is larger than the sum of its proper divisors (10171).

314309 is a wasteful number, since it uses less digits than its factorization.

314309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 314309 is about 560.6326783198. The cubic root of 314309 is about 67.9911320616.

The spelling of 314309 in words is "three hundred fourteen thousand, three hundred nine".