84480228 has 72 divisors (see below), whose sum is σ = 245935872. Its totient is φ = 23951232.

The previous prime is 84480223. The next prime is 84480247. The reversal of 84480228 is 82208448.

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

It is a junction number, because it is equal to n+sod(n) for n = 84480192 and 84480201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84480223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33301 + ... + 35747.

It is an arithmetic number, because the mean of its divisors is an integer number (3415776).

Almost surely, 2^84480228 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 84480228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122967936).

84480228 is an abundant number, since it is smaller than the sum of its proper divisors (161455644).

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

84480228 is a wasteful number, since it uses less digits than its factorization.

84480228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 84480228 is about 9191.3126374855. The cubic root of 84480228 is about 438.7849189341.

The spelling of 84480228 in words is "eighty-four million, four hundred eighty thousand, two hundred twenty-eight".