84239532 has 36 divisors (see below), whose sum is σ = 229320000. Its totient is φ = 25919712.

The previous prime is 84239527. The next prime is 84239563. The reversal of 84239532 is 23593248.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 89532 + ... + 90467.

It is an arithmetic number, because the mean of its divisors is an integer number (6370000).

Almost surely, 2^84239532 is an apocalyptic number.

It is an amenable number.

84239532 is an abundant number, since it is smaller than the sum of its proper divisors (145080468).

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

84239532 is a wasteful number, since it uses less digits than its factorization.

84239532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180022 (or 180017 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 84239532 is about 9178.2096293340. The cubic root of 84239532 is about 438.3678026485.

It can be divided in two parts, 8423 and 9532, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 84239532 in words is "eighty-four million, two hundred thirty-nine thousand, five hundred thirty-two".