215928006 has 36 divisors (see below), whose sum is σ = 502949988. Its totient is φ = 61621728.

The previous prime is 215927981. The next prime is 215928073. The reversal of 215928006 is 600829512.

215928006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 251530 + ... + 252386.

It is an arithmetic number, because the mean of its divisors is an integer number (13970833).

Almost surely, 2^215928006 is an apocalyptic number.

215928006 is an abundant number, since it is smaller than the sum of its proper divisors (287021982).

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

215928006 is an frugal number, since it uses more digits than its factorization.

215928006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 215928006 is about 14694.4889669563. The cubic root of 215928006 is about 599.9333314813.

The spelling of 215928006 in words is "two hundred fifteen million, nine hundred twenty-eight thousand, six".