84319816 has 16 divisors (see below), whose sum is σ = 180685440. Its totient is φ = 36137040.

The previous prime is 84319811. The next prime is 84319841. The reversal of 84319816 is 61891348.

It is not an unprimeable number, because it can be changed into a prime (84319811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 752800 + ... + 752911.

It is an arithmetic number, because the mean of its divisors is an integer number (11292840).

Almost surely, 2^84319816 is an apocalyptic number.

It is an amenable number.

84319816 is an abundant number, since it is smaller than the sum of its proper divisors (96365624).

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

84319816 is a wasteful number, since it uses less digits than its factorization.

84319816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505724 (or 1505720 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 84319816 is about 9182.5822076364. The cubic root of 84319816 is about 438.5070197330.

The spelling of 84319816 in words is "eighty-four million, three hundred nineteen thousand, eight hundred sixteen".