84353280 has 144 divisors (see below), whose sum is σ = 294041664. Its totient is φ = 20439040.

The previous prime is 84353279. The next prime is 84353299. The reversal of 84353280 is 8235348.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41242 + ... + 43238.

It is an arithmetic number, because the mean of its divisors is an integer number (2041956).

Almost surely, 2^84353280 is an apocalyptic number.

84353280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84353280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147020832).

84353280 is an abundant number, since it is smaller than the sum of its proper divisors (209688384).

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

84353280 is a wasteful number, since it uses less digits than its factorization.

84353280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 84353280 is about 9184.4041722912. The cubic root of 84353280 is about 438.5650221449.

The spelling of 84353280 in words is "eighty-four million, three hundred fifty-three thousand, two hundred eighty".