216875832 has 64 divisors (see below), whose sum is σ = 578983680. Its totient is φ = 67533312.

The previous prime is 216875821. The next prime is 216875887. The reversal of 216875832 is 238578612.

216875832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 19168 + ... + 28304.

It is an arithmetic number, because the mean of its divisors is an integer number (9046620).

Almost surely, 2^216875832 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 216875832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289491840).

216875832 is an abundant number, since it is smaller than the sum of its proper divisors (362107848).

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

216875832 is a wasteful number, since it uses less digits than its factorization.

216875832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212 (or 9208 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 216875832 is about 14726.7047230533. The cubic root of 216875832 is about 600.8098619365.

The spelling of 216875832 in words is "two hundred sixteen million, eight hundred seventy-five thousand, eight hundred thirty-two".