216875204 has 48 divisors (see below), whose sum is σ = 479770368. Its totient is φ = 83472768.

The previous prime is 216875159. The next prime is 216875213. The reversal of 216875204 is 402578612.

216875204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216875204² = 94069708220083232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5417 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (9995216).

Almost surely, 2^216875204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216875204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239885184).

216875204 is an abundant number, since it is smaller than the sum of its proper divisors (262895164).

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

216875204 is a wasteful number, since it uses less digits than its factorization.

216875204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164 (or 16162 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 216875204 is about 14726.6834012279. The cubic root of 216875204 is about 600.8092820210.

The spelling of 216875204 in words is "two hundred sixteen million, eight hundred seventy-five thousand, two hundred four".