84513320 has 16 divisors (see below), whose sum is σ = 190155060. Its totient is φ = 33805312.

The previous prime is 84513301. The next prime is 84513343. The reversal of 84513320 is 2331548.

It can be written as a sum of positive squares in 2 ways, for example, as 79959364 + 4553956 = 8942^2 + 2134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84513320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056377 + ... + 1056456.

Almost surely, 2^84513320 is an apocalyptic number.

It is an amenable number.

84513320 is an abundant number, since it is smaller than the sum of its proper divisors (105641740).

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

84513320 is a wasteful number, since it uses less digits than its factorization.

84513320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112844 (or 2112840 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 84513320 is about 9193.1126393621. The cubic root of 84513320 is about 438.8422040345.

Adding to 84513320 its reverse (2331548), we get a palindrome (86844868).

The spelling of 84513320 in words is "eighty-four million, five hundred thirteen thousand, three hundred twenty".