84028224 has 112 divisors (see below), whose sum is σ = 256974848. Its totient is φ = 23735808.

The previous prime is 84028211. The next prime is 84028249. The reversal of 84028224 is 42282048.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 84028191 and 84028200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138129 + ... + 138735.

Almost surely, 2^84028224 is an apocalyptic number.

84028224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84028224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128487424).

84028224 is an abundant number, since it is smaller than the sum of its proper divisors (172946624).

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

84028224 is a wasteful number, since it uses less digits than its factorization.

84028224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 84028224 is about 9166.6910060283. The cubic root of 84028224 is about 438.0009591105. Note that the first 3 decimals are identical.

The spelling of 84028224 in words is "eighty-four million, twenty-eight thousand, two hundred twenty-four".