84235888 has 40 divisors (see below), whose sum is σ = 178738560. Its totient is φ = 38139840.

The previous prime is 84235849. The next prime is 84235889. The reversal of 84235888 is 88853248.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84235889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53253 + ... + 54811.

It is an arithmetic number, because the mean of its divisors is an integer number (4468464).

Almost surely, 2^84235888 is an apocalyptic number.

84235888 is a gapful number since it is divisible by the number (88) 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 84235888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89369280).

84235888 is an abundant number, since it is smaller than the sum of its proper divisors (94502672).

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

84235888 is a wasteful number, since it uses less digits than its factorization.

84235888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1879 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 84235888 is about 9178.0111135256. The cubic root of 84235888 is about 438.3614816443.

The spelling of 84235888 in words is "eighty-four million, two hundred thirty-five thousand, eight hundred eighty-eight".