84500580 has 48 divisors (see below), whose sum is σ = 239057280. Its totient is φ = 22299648.

The previous prime is 84500569. The next prime is 84500599. The reversal of 84500580 is 8500548.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (4980360).

Almost surely, 2^84500580 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 84500580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119528640).

84500580 is an abundant number, since it is smaller than the sum of its proper divisors (154556700).

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

84500580 is a wasteful number, since it uses less digits than its factorization.

84500580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14628 (or 14626 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 84500580 is about 9192.4197032120. The cubic root of 84500580 is about 438.8201517685.

The spelling of 84500580 in words is "eighty-four million, five hundred thousand, five hundred eighty".