314640394 has 8 divisors (see below), whose sum is σ = 473572260. Its totient is φ = 156782976.

The previous prime is 314640377. The next prime is 314640397. The reversal of 314640394 is 493046413.

It can be written as a sum of positive squares in 2 ways, for example, as 289510225 + 25130169 = 17015^2 + 5013^2 .

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

It is not an unprimeable number, because it can be changed into a prime (314640397) 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, 267879 + ... + 269050.

Almost surely, 2^314640394 is an apocalyptic number.

314640394 is a deficient number, since it is larger than the sum of its proper divisors (158931866).

314640394 is a wasteful number, since it uses less digits than its factorization.

314640394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537224.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 314640394 is about 17738.1057049506. The cubic root of 314640394 is about 680.1501931793.

The spelling of 314640394 in words is "three hundred fourteen million, six hundred forty thousand, three hundred ninety-four".