215238316 has 12 divisors (see below), whose sum is σ = 376825960. Its totient is φ = 107573760.

The previous prime is 215238299. The next prime is 215238323. The reversal of 215238316 is 613832512.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751 + ... + 20761.

Almost surely, 2^215238316 is an apocalyptic number.

It is an amenable number.

215238316 is a deficient number, since it is larger than the sum of its proper divisors (161587644).

215238316 is a wasteful number, since it uses less digits than its factorization.

215238316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22704 (or 22702 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 215238316 is about 14671.0025560628. The cubic root of 215238316 is about 599.2939064161.

The spelling of 215238316 in words is "two hundred fifteen million, two hundred thirty-eight thousand, three hundred sixteen".