216854304 has 48 divisors (see below), whose sum is σ = 593998272. Its totient is φ = 69141248.

The previous prime is 216854303. The next prime is 216854357. The reversal of 216854304 is 403458612.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (216854303) 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, 46899 + ... + 51314.

It is an arithmetic number, because the mean of its divisors is an integer number (12374964).

Almost surely, 2^216854304 is an apocalyptic number.

216854304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216854304 is an abundant number, since it is smaller than the sum of its proper divisors (377143968).

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

216854304 is a wasteful number, since it uses less digits than its factorization.

216854304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98249 (or 98241 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 216854304 is about 14725.9737878349. The cubic root of 216854304 is about 600.7899816474.

The spelling of 216854304 in words is "two hundred sixteen million, eight hundred fifty-four thousand, three hundred four".