215452968 has 48 divisors (see below), whose sum is σ = 572198880. Its totient is φ = 67590912.

The previous prime is 215452967. The next prime is 215452981. The reversal of 215452968 is 869254512.

215452968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (215452967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8596 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (11920810).

Almost surely, 2^215452968 is an apocalyptic number.

It is an amenable number.

215452968 is an abundant number, since it is smaller than the sum of its proper divisors (356745912).

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

215452968 is a wasteful number, since it uses less digits than its factorization.

215452968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31106 (or 31085 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 215452968 is about 14678.3162522137. The cubic root of 215452968 is about 599.4930606971.

The spelling of 215452968 in words is "two hundred fifteen million, four hundred fifty-two thousand, nine hundred sixty-eight".