314987947 has 4 divisors (see below), whose sum is σ = 331566280. Its totient is φ = 298409616.

The previous prime is 314987929. The next prime is 314987977. The reversal of 314987947 is 749789413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749789413 = 8387 ⋅89399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314987947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314987894 and 314987903.

It is not an unprimeable number, because it can be changed into a prime (314987927) 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, 8289138 + ... + 8289175.

It is an arithmetic number, because the mean of its divisors is an integer number (82891570).

Almost surely, 2^314987947 is an apocalyptic number.

314987947 is a deficient number, since it is larger than the sum of its proper divisors (16578333).

314987947 is a wasteful number, since it uses less digits than its factorization.

314987947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578332.

The product of its digits is 1524096, while the sum is 52.

The square root of 314987947 is about 17747.8997912429. The cubic root of 314987947 is about 680.4005332072.

The spelling of 314987947 in words is "three hundred fourteen million, nine hundred eighty-seven thousand, nine hundred forty-seven".