84589884 has 18 divisors (see below), whose sum is σ = 213824520. Its totient is φ = 28196616.

The previous prime is 84589871. The next prime is 84589891. The reversal of 84589884 is 48898548.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 84589884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1174824 + ... + 1174895.

It is an arithmetic number, because the mean of its divisors is an integer number (11879140).

Almost surely, 2^84589884 is an apocalyptic number.

It is an amenable number.

84589884 is an abundant number, since it is smaller than the sum of its proper divisors (129234636).

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

84589884 is a wasteful number, since it uses less digits than its factorization.

84589884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349729 (or 2349724 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 84589884 is about 9197.2759010481. The cubic root of 84589884 is about 438.9746856095.

The spelling of 84589884 in words is "eighty-four million, five hundred eighty-nine thousand, eight hundred eighty-four".