215318848 has 56 divisors (see below), whose sum is σ = 438912000. Its totient is φ = 104767488.

The previous prime is 215318843. The next prime is 215318863. The reversal of 215318848 is 848813512.

It is a self number, because there is not a number n which added to its sum of digits gives 215318848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215318843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479328 + ... + 479776.

Almost surely, 2^215318848 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 215318848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219456000).

215318848 is an abundant number, since it is smaller than the sum of its proper divisors (223593152).

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

215318848 is a wasteful number, since it uses less digits than its factorization.

215318848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 637 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 215318848 is about 14673.7468970948. The cubic root of 215318848 is about 599.3686395768.

The spelling of 215318848 in words is "two hundred fifteen million, three hundred eighteen thousand, eight hundred forty-eight".