213884844 has 24 divisors (see below), whose sum is σ = 499484160. Its totient is φ = 71235024.

The previous prime is 213884833. The next prime is 213884857. The reversal of 213884844 is 448488312.

It is a junction number, because it is equal to n+sod(n) for n = 213884796 and 213884805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8797 + ... + 22475.

It is an arithmetic number, because the mean of its divisors is an integer number (20811840).

Almost surely, 2^213884844 is an apocalyptic number.

It is an amenable number.

213884844 is an abundant number, since it is smaller than the sum of its proper divisors (285599316).

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

213884844 is a wasteful number, since it uses less digits than its factorization.

213884844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989 (or 14987 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 213884844 is about 14624.8023576389. The cubic root of 213884844 is about 598.0350944904.

The spelling of 213884844 in words is "two hundred thirteen million, eight hundred eighty-four thousand, eight hundred forty-four".