215608652 has 12 divisors (see below), whose sum is σ = 431217360. Its totient is φ = 92403696.

The previous prime is 215608643. The next prime is 215608661. The reversal of 215608652 is 256806512.

It is an interprime number because it is at equal distance from previous prime (215608643) and next prime (215608661).

215608652 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 3850127 + ... + 3850182.

It is an arithmetic number, because the mean of its divisors is an integer number (35934780).

Almost surely, 2^215608652 is an apocalyptic number.

It is an amenable number.

215608652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215608652 is a wasteful number, since it uses less digits than its factorization.

215608652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700320 (or 7700318 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 215608652 is about 14683.6184913665. The cubic root of 215608652 is about 599.6374216798.

The spelling of 215608652 in words is "two hundred fifteen million, six hundred eight thousand, six hundred fifty-two".