215088896 has 72 divisors (see below), whose sum is σ = 496029744. Its totient is φ = 91996160.

The previous prime is 215088889. The next prime is 215088931. The reversal of 215088896 is 698880512.

215088896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215088896.

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, 45626 + ... + 50118.

It is an arithmetic number, because the mean of its divisors is an integer number (6889302).

Almost surely, 2^215088896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215088896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248014872).

215088896 is an abundant number, since it is smaller than the sum of its proper divisors (280940848).

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

215088896 is a wasteful number, since it uses less digits than its factorization.

215088896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4523 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 215088896 is about 14665.9093137794. The cubic root of 215088896 is about 599.1551962545.

The spelling of 215088896 in words is "two hundred fifteen million, eighty-eight thousand, eight hundred ninety-six".