84086244 has 72 divisors (see below), whose sum is σ = 237575520. Its totient is φ = 24854400.

The previous prime is 84086227. The next prime is 84086263. The reversal of 84086244 is 44268048.

84086244 is a `hidden beast` number, since 8 + 408 + 6 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 84086199 and 84086208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13647 + ... + 18825.

It is an arithmetic number, because the mean of its divisors is an integer number (3299660).

Almost surely, 2^84086244 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 84086244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118787760).

84086244 is an abundant number, since it is smaller than the sum of its proper divisors (153489276).

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

84086244 is a wasteful number, since it uses less digits than its factorization.

84086244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 84086244 is about 9169.8551787910. The cubic root of 84086244 is about 438.1017465509.

The spelling of 84086244 in words is "eighty-four million, eighty-six thousand, two hundred forty-four".