216952328 has 32 divisors (see below), whose sum is σ = 413731200. Its totient is φ = 106636608.

The previous prime is 216952327. The next prime is 216952339. The reversal of 216952328 is 823259612.

216952328 is digitally balanced in base 2, 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 (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 216952291 and 216952300.

It is not an unprimeable number, because it can be changed into a prime (216952327) 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, 178250 + ... + 179462.

It is an arithmetic number, because the mean of its divisors is an integer number (12929100).

Almost surely, 2^216952328 is an apocalyptic number.

It is an amenable number.

216952328 is a deficient number, since it is larger than the sum of its proper divisors (196778872).

216952328 is a wasteful number, since it uses less digits than its factorization.

216952328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1577 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 216952328 is about 14729.3016806636. The cubic root of 216952328 is about 600.8804924416.

The spelling of 216952328 in words is "two hundred sixteen million, nine hundred fifty-two thousand, three hundred twenty-eight".