216852004 has 24 divisors (see below), whose sum is σ = 396506880. Its totient is φ = 103576704.

The previous prime is 216851953. The next prime is 216852043. The reversal of 216852004 is 400258612.

216852004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136197 + ... + 137779.

It is an arithmetic number, because the mean of its divisors is an integer number (16521120).

Almost surely, 2^216852004 is an apocalyptic number.

It is an amenable number.

216852004 is a deficient number, since it is larger than the sum of its proper divisors (179654876).

216852004 is a wasteful number, since it uses less digits than its factorization.

216852004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 216852004 is about 14725.8956943203. The cubic root of 216852004 is about 600.7878576071.

The spelling of 216852004 in words is "two hundred sixteen million, eight hundred fifty-two thousand, four".