314936393 has 2 divisors, whose sum is σ = 314936394. Its totient is φ = 314936392.

The previous prime is 314936389. The next prime is 314936431. The reversal of 314936393 is 393639413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204833344 + 110103049 = 14312^2 + 10493^2 .

It is an emirp because it is prime and its reverse (393639413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314936393 - 2² = 314936389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 314936393.

It is not a weakly prime, because it can be changed into another prime (314936353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157468196 + 157468197.

It is an arithmetic number, because the mean of its divisors is an integer number (157468197).

Almost surely, 2^314936393 is an apocalyptic number.

It is an amenable number.

314936393 is a deficient number, since it is larger than the sum of its proper divisors (1).

314936393 is an equidigital number, since it uses as much as digits as its factorization.

314936393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 41.

The square root of 314936393 is about 17746.4473346076. The cubic root of 314936393 is about 680.3634108524.

The spelling of 314936393 in words is "three hundred fourteen million, nine hundred thirty-six thousand, three hundred ninety-three".