314664891 has 4 divisors (see below), whose sum is σ = 419553192. Its totient is φ = 209776592.

The previous prime is 314664887. The next prime is 314664919. The reversal of 314664891 is 198466413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198466413 = 3 ⋅66155471.

It is a cyclic number.

It is not a de Polignac number, because 314664891 - 2² = 314664887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (314664881) 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, 52444146 + ... + 52444151.

It is an arithmetic number, because the mean of its divisors is an integer number (104888298).

Almost surely, 2^314664891 is an apocalyptic number.

314664891 is a deficient number, since it is larger than the sum of its proper divisors (104888301).

314664891 is a wasteful number, since it uses less digits than its factorization.

314664891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104888300.

The product of its digits is 124416, while the sum is 42.

The square root of 314664891 is about 17738.7962105663. The cubic root of 314664891 is about 680.1678442366.

The spelling of 314664891 in words is "three hundred fourteen million, six hundred sixty-four thousand, eight hundred ninety-one".