84504384 has 70 divisors (see below), whose sum is σ = 250512834. Its totient is φ = 28166400.

The previous prime is 84504361. The next prime is 84504397. The reversal of 84504384 is 48340548.

It can be written as a sum of positive squares in only one way, i.e., 81000000 + 3504384 = 9000^2 + 1872^2 .

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

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 2967 + ... + 13334.

Almost surely, 2^84504384 is an apocalyptic number.

It is an amenable number.

84504384 is an abundant number, since it is smaller than the sum of its proper divisors (166008450).

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

84504384 is a wasteful number, since it uses less digits than its factorization.

84504384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325 (or 16306 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 84504384 is about 9192.6266104960. The cubic root of 84504384 is about 438.8267365234.

The spelling of 84504384 in words is "eighty-four million, five hundred four thousand, three hundred eighty-four".