84425824 has 72 divisors (see below), whose sum is σ = 201842928. Its totient is φ = 34594560.

The previous prime is 84425777. The next prime is 84425843. The reversal of 84425824 is 42852448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34894 + ... + 37234.

It is an arithmetic number, because the mean of its divisors is an integer number (2803374).

Almost surely, 2^84425824 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 84425824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100921464).

84425824 is an abundant number, since it is smaller than the sum of its proper divisors (117417104).

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

84425824 is a wasteful number, since it uses less digits than its factorization.

84425824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 2373 counting only the distinct ones).

The product of its digits is 81920, while the sum is 37.

The square root of 84425824 is about 9188.3526271035. The cubic root of 84425824 is about 438.6907084052.

The spelling of 84425824 in words is "eighty-four million, four hundred twenty-five thousand, eight hundred twenty-four".