216874504 has 32 divisors (see below), whose sum is σ = 506980800. Its totient is φ = 84496320.

The previous prime is 216874487. The next prime is 216874517. The reversal of 216874504 is 405478612.

216874504 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, 175419 + ... + 176650.

It is an arithmetic number, because the mean of its divisors is an integer number (15843150).

Almost surely, 2^216874504 is an apocalyptic number.

It is an amenable number.

216874504 is an abundant number, since it is smaller than the sum of its proper divisors (290106296).

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

216874504 is a wasteful number, since it uses less digits than its factorization.

216874504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352093 (or 352089 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 216874504 is about 14726.6596348255. The cubic root of 216874504 is about 600.8086356171.

The spelling of 216874504 in words is "two hundred sixteen million, eight hundred seventy-four thousand, five hundred four".