215628632 has 16 divisors (see below), whose sum is σ = 404497800. Its totient is φ = 107762560.

The previous prime is 215628607. The next prime is 215628661. The reversal of 215628632 is 236826512.

It is a junction number, because it is equal to n+sod(n) for n = 215628592 and 215628601.

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, 15707 + ... + 26037.

Almost surely, 2^215628632 is an apocalyptic number.

It is an amenable number.

215628632 is a deficient number, since it is larger than the sum of its proper divisors (188869168).

215628632 is a wasteful number, since it uses less digits than its factorization.

215628632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946 (or 12942 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 215628632 is about 14684.2988256164. The cubic root of 215628632 is about 599.6559434870.

The spelling of 215628632 in words is "two hundred fifteen million, six hundred twenty-eight thousand, six hundred thirty-two".