314489393 has 4 divisors (see below), whose sum is σ = 322159908. Its totient is φ = 306818880.

The previous prime is 314489377. The next prime is 314489431. The reversal of 314489393 is 393984413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393984413 = 14543 ⋅27091.

It can be written as a sum of positive squares in 2 ways, for example, as 181387024 + 133102369 = 13468^2 + 11537^2 .

It is a cyclic number.

It is not a de Polignac number, because 314489393 - 2⁴ = 314489377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (314489303) 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, 3835196 + ... + 3835277.

It is an arithmetic number, because the mean of its divisors is an integer number (80539977).

Almost surely, 2^314489393 is an apocalyptic number.

It is an amenable number.

314489393 is a deficient number, since it is larger than the sum of its proper divisors (7670515).

314489393 is an equidigital number, since it uses as much as digits as its factorization.

314489393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670514.

The product of its digits is 279936, while the sum is 44.

The square root of 314489393 is about 17733.8487926338. The cubic root of 314489393 is about 680.0413707529.

The spelling of 314489393 in words is "three hundred fourteen million, four hundred eighty-nine thousand, three hundred ninety-three".