84292212 has 72 divisors (see below), whose sum is σ = 209895840. Its totient is φ = 26295360.

The previous prime is 84292211. The next prime is 84292259. The reversal of 84292212 is 21229248.

It is a self number, because there is not a number n which added to its sum of digits gives 84292212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84292211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643387 + ... + 643517.

It is an arithmetic number, because the mean of its divisors is an integer number (2915220).

Almost surely, 2^84292212 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 84292212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104947920).

84292212 is an abundant number, since it is smaller than the sum of its proper divisors (125603628).

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

84292212 is a wasteful number, since it uses less digits than its factorization.

84292212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 208 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 84292212 is about 9181.0790215530. The cubic root of 84292212 is about 438.4591627780.

The spelling of 84292212 in words is "eighty-four million, two hundred ninety-two thousand, two hundred twelve".