84004844 has 48 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 32410560.

The previous prime is 84004829. The next prime is 84004847. The reversal of 84004844 is 44840048.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84004844.

It is not an unprimeable number, because it can be changed into a prime (84004847) 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, 31682 + ... + 34230.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2^84004844 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 84004844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

84004844 is an abundant number, since it is smaller than the sum of its proper divisors (101063956).

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

84004844 is a wasteful number, since it uses less digits than its factorization.

84004844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 84004844 is about 9165.4156479671. The cubic root of 84004844 is about 437.9603322360.

It can be divided in two parts, 84004 and 844, that added together give a palindrome (84848).

The spelling of 84004844 in words is "eighty-four million, four thousand, eight hundred forty-four".