314394309 has 6 divisors (see below), whose sum is σ = 454125126. Its totient is φ = 209596200.

The previous prime is 314394293. The next prime is 314394323. The reversal of 314394309 is 903493413.

314394309 is a `hidden beast` number, since 314 + 39 + 4 + 309 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213452100 + 100942209 = 14610^2 + 10047^2 .

It is not a de Polignac number, because 314394309 - 2⁴ = 314394293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314390309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17466342 + ... + 17466359.

It is an arithmetic number, because the mean of its divisors is an integer number (75687521).

Almost surely, 2^314394309 is an apocalyptic number.

It is an amenable number.

314394309 is a deficient number, since it is larger than the sum of its proper divisors (139730817).

314394309 is a wasteful number, since it uses less digits than its factorization.

314394309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34932707 (or 34932704 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 314394309 is about 17731.1677280432. The cubic root of 314394309 is about 679.9728283549.

The spelling of 314394309 in words is "three hundred fourteen million, three hundred ninety-four thousand, three hundred nine".