84213396 has 144 divisors (see below), whose sum is σ = 240589440. Its totient is φ = 24710400.

The previous prime is 84213379. The next prime is 84213401. The reversal of 84213396 is 69331248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 84213396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 833746 + ... + 833846.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^84213396 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 84213396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120294720).

84213396 is an abundant number, since it is smaller than the sum of its proper divisors (156376044).

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

84213396 is a wasteful number, since it uses less digits than its factorization.

84213396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 84213396 is about 9176.7857117838. The cubic root of 84213396 is about 438.3224622337.

The spelling of 84213396 in words is "eighty-four million, two hundred thirteen thousand, three hundred ninety-six".