215236960 has 24 divisors (see below), whose sum is σ = 508497696. Its totient is φ = 86094720.

The previous prime is 215236951. The next prime is 215236963. The reversal of 215236960 is 69632512.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215236963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672456 + ... + 672775.

It is an arithmetic number, because the mean of its divisors is an integer number (21187404).

Almost surely, 2^215236960 is an apocalyptic number.

215236960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215236960 is an abundant number, since it is smaller than the sum of its proper divisors (293260736).

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

215236960 is a wasteful number, since it uses less digits than its factorization.

215236960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345246 (or 1345238 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 215236960 is about 14670.9563423793. The cubic root of 215236960 is about 599.2926478975.

The spelling of 215236960 in words is "two hundred fifteen million, two hundred thirty-six thousand, nine hundred sixty".