216794304 has 84 divisors (see below), whose sum is σ = 635925576. Its totient is φ = 70576128.

The previous prime is 216794287. The next prime is 216794317. The reversal of 216794304 is 403497612.

216794304 is a `hidden beast` number, since 216 + 7 + 9 + 430 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20392 + ... + 29144.

Almost surely, 2^216794304 is an apocalyptic number.

216794304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216794304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317962788).

216794304 is an abundant number, since it is smaller than the sum of its proper divisors (419131272).

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

216794304 is a wasteful number, since it uses less digits than its factorization.

216794304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814 (or 8801 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 216794304 is about 14723.9364301806. The cubic root of 216794304 is about 600.7345669852.

The spelling of 216794304 in words is "two hundred sixteen million, seven hundred ninety-four thousand, three hundred four".