84099228 has 48 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 27244224.

The previous prime is 84099209. The next prime is 84099229. The reversal of 84099228 is 82299048.

It is a self number, because there is not a number n which added to its sum of digits gives 84099228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84099229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179851 + ... + 180317.

It is an arithmetic number, because the mean of its divisors is an integer number (4204200).

Almost surely, 2^84099228 is an apocalyptic number.

It is an amenable number.

84099228 is an abundant number, since it is smaller than the sum of its proper divisors (117702372).

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

84099228 is a wasteful number, since it uses less digits than its factorization.

84099228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 84099228 is about 9170.5631233856. The cubic root of 84099228 is about 438.1242949094.

The spelling of 84099228 in words is "eighty-four million, ninety-nine thousand, two hundred twenty-eight".