215580948 has 96 divisors (see below), whose sum is σ = 563068800. Its totient is φ = 63651840.

The previous prime is 215580931. The next prime is 215580949. The reversal of 215580948 is 849085512.

It is a happy number.

215580948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215580949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1446778 + ... + 1446926.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2^215580948 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 215580948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281534400).

215580948 is an abundant number, since it is smaller than the sum of its proper divisors (347487852).

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

215580948 is a wasteful number, since it uses less digits than its factorization.

215580948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 215580948 is about 14682.6750968616. The cubic root of 215580948 is about 599.6117376971.

The spelling of 215580948 in words is "two hundred fifteen million, five hundred eighty thousand, nine hundred forty-eight".