314897857 has 4 divisors (see below), whose sum is σ = 320839380. Its totient is φ = 308956336.

The previous prime is 314897831. The next prime is 314897867. The reversal of 314897857 is 758798413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758798413 = 2161 ⋅351133.

It can be written as a sum of positive squares in 2 ways, for example, as 287607681 + 27290176 = 16959^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 314897857 - 2¹⁹ = 314373569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314897867) 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, 2970682 + ... + 2970787.

It is an arithmetic number, because the mean of its divisors is an integer number (80209845).

Almost surely, 2^314897857 is an apocalyptic number.

It is an amenable number.

314897857 is a deficient number, since it is larger than the sum of its proper divisors (5941523).

314897857 is an equidigital number, since it uses as much as digits as its factorization.

314897857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941522.

The product of its digits is 1693440, while the sum is 52.

The square root of 314897857 is about 17745.3615629550. The cubic root of 314897857 is about 680.3356596890.

The spelling of 314897857 in words is "three hundred fourteen million, eight hundred ninety-seven thousand, eight hundred fifty-seven".