215086272 has 56 divisors (see below), whose sum is σ = 588721200. Its totient is φ = 69221376.

The previous prime is 215086259. The next prime is 215086273. The reversal of 215086272 is 272680512.

It is not an unprimeable number, because it can be changed into a prime (215086273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13747 + ... + 24882.

Almost surely, 2^215086272 is an apocalyptic number.

It is an amenable number.

215086272 is an abundant number, since it is smaller than the sum of its proper divisors (373634928).

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

215086272 is a wasteful number, since it uses less digits than its factorization.

215086272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38673 (or 38663 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 215086272 is about 14665.8198543416. The cubic root of 215086272 is about 599.1527597586.

The spelling of 215086272 in words is "two hundred fifteen million, eighty-six thousand, two hundred seventy-two".