215236852 has 24 divisors (see below), whose sum is σ = 393555456. Its totient is φ = 102804768.

The previous prime is 215236849. The next prime is 215236891. The reversal of 215236852 is 258632512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136573 + ... + 138139.

It is an arithmetic number, because the mean of its divisors is an integer number (16398144).

Almost surely, 2^215236852 is an apocalyptic number.

It is an amenable number.

215236852 is a deficient number, since it is larger than the sum of its proper divisors (178318604).

215236852 is a wasteful number, since it uses less digits than its factorization.

215236852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087 (or 3085 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 215236852 is about 14670.9526616372. The cubic root of 215236852 is about 599.2925476613.

The spelling of 215236852 in words is "two hundred fifteen million, two hundred thirty-six thousand, eight hundred fifty-two".