2315987284 has 12 divisors (see below), whose sum is σ = 4364745364. Its totient is φ = 1068917184.

The previous prime is 2315987279. The next prime is 2315987321. The reversal of 2315987284 is 4827895132.

It can be written as a sum of positive squares in 2 ways, for example, as 922458384 + 1393528900 = 30372^2 + 37330^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22269057 + ... + 22269160.

Almost surely, 2^2315987284 is an apocalyptic number.

It is an amenable number.

2315987284 is a deficient number, since it is larger than the sum of its proper divisors (2048758080).

2315987284 is a wasteful number, since it uses less digits than its factorization.

2315987284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44538234 (or 44538232 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 2315987284 is about 48124.7055471511. The cubic root of 2315987284 is about 1323.0575137343.

The spelling of 2315987284 in words is "two billion, three hundred fifteen million, nine hundred eighty-seven thousand, two hundred eighty-four".