309314 has 8 divisors (see below), whose sum is σ = 480060. Its totient is φ = 149296.

The previous prime is 309313. The next prime is 309317. The reversal of 309314 is 413903.

309314 = T₃₇ + T₃₈ + ... + T₁₂₃.

It can be written as a sum of positive squares in 2 ways, for example, as 267289 + 42025 = 517^2 + 205^2 .

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

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 309314.

It is not an unprimeable number, because it can be changed into a prime (309311) 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, 2609 + ... + 2724.

2³⁰⁹³¹⁴ is an apocalyptic number.

309314 is a deficient number, since it is larger than the sum of its proper divisors (170746).

309314 is a wasteful number, since it uses less digits than its factorization.

309314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

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

The square root of 309314 is about 556.1600489068. The cubic root of 309314 is about 67.6290352962.

The spelling of 309314 in words is "three hundred nine thousand, three hundred fourteen".