84218214 has 16 divisors (see below), whose sum is σ = 169369200. Its totient is φ = 27917280.

The previous prime is 84218207. The next prime is 84218243. The reversal of 84218214 is 41281248.

It is a congruent number.

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, 37689 + ... + 39860.

It is an arithmetic number, because the mean of its divisors is an integer number (10585575).

Almost surely, 2^84218214 is an apocalyptic number.

84218214 is an abundant number, since it is smaller than the sum of its proper divisors (85150986).

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

84218214 is a wasteful number, since it uses less digits than its factorization.

84218214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77735.

The product of its digits is 4096, while the sum is 30.

The square root of 84218214 is about 9177.0482182453. The cubic root of 84218214 is about 438.3308211467.

The spelling of 84218214 in words is "eighty-four million, two hundred eighteen thousand, two hundred fourteen".