84488520 has 64 divisors (see below), whose sum is σ = 256011840. Its totient is φ = 22304000.

The previous prime is 84488479. The next prime is 84488527. The reversal of 84488520 is 2588448.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84488527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8635 + ... + 15605.

It is an arithmetic number, because the mean of its divisors is an integer number (4000185).

Almost surely, 2^84488520 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 84488520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128005920).

84488520 is an abundant number, since it is smaller than the sum of its proper divisors (171523320).

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

84488520 is a wasteful number, since it uses less digits than its factorization.

84488520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 84488520 is about 9191.7637045346. The cubic root of 84488520 is about 438.7992745043.

The spelling of 84488520 in words is "eighty-four million, four hundred eighty-eight thousand, five hundred twenty".