84223992 has 32 divisors (see below), whose sum is σ = 212083200. Its totient is φ = 27871584.

The previous prime is 84223991. The next prime is 84224003. The reversal of 84223992 is 29932248.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84223992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84223991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9288 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (6627600).

Almost surely, 2^84223992 is an apocalyptic number.

It is an amenable number.

84223992 is an abundant number, since it is smaller than the sum of its proper divisors (127859208).

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

84223992 is a wasteful number, since it uses less digits than its factorization.

84223992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25395 (or 25391 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 84223992 is about 9177.3630199530. The cubic root of 84223992 is about 438.3408451761.

The spelling of 84223992 in words is "eighty-four million, two hundred twenty-three thousand, nine hundred ninety-two".