84199936 has 40 divisors (see below), whose sum is σ = 171864000. Its totient is φ = 41192448.

The previous prime is 84199883. The next prime is 84199949. The reversal of 84199936 is 63999148.

It is a self number, because there is not a number n which added to its sum of digits gives 84199936.

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 3 ways as a sum of consecutive naturals, for example, 22315 + ... + 25813.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 2^84199936 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 84199936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85932000).

84199936 is an abundant number, since it is smaller than the sum of its proper divisors (87664064).

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

84199936 is an equidigital number, since it uses as much as digits as its factorization.

84199936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3548 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 84199936 is about 9176.0523102258. The cubic root of 84199936 is about 438.2991083297.

The spelling of 84199936 in words is "eighty-four million, one hundred ninety-nine thousand, nine hundred thirty-six".