314809 has 4 divisors (see below), whose sum is σ = 343440. Its totient is φ = 286180.

The previous prime is 314807. The next prime is 314813. The reversal of 314809 is 908413.

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 not a de Polignac number, because 314809 - 2¹ = 314807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314807) 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, 14299 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2³¹⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

314809 is a deficient number, since it is larger than the sum of its proper divisors (28631).

314809 is a wasteful number, since it uses less digits than its factorization.

314809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28630.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 314809 is about 561.0784258907. The cubic root of 314809 is about 68.0271661929.

The spelling of 314809 in words is "three hundred fourteen thousand, eight hundred nine".