215482368 has 80 divisors (see below), whose sum is σ = 578813400. Its totient is φ = 71303168.

The previous prime is 215482367. The next prime is 215482369. The reversal of 215482368 is 863284512.

It is an interprime number because it is at equal distance from previous prime (215482367) and next prime (215482369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215482367) 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, 1572796 + ... + 1572932.

Almost surely, 2^215482368 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 215482368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289406700).

215482368 is an abundant number, since it is smaller than the sum of its proper divisors (363331032).

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

215482368 is an frugal number, since it uses more digits than its factorization.

215482368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 142 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 215482368 is about 14679.3176953154. The cubic root of 215482368 is about 599.5203277375.

The spelling of 215482368 in words is "two hundred fifteen million, four hundred eighty-two thousand, three hundred sixty-eight".