84084018 has 16 divisors (see below), whose sum is σ = 168314880. Its totient is φ = 28003536.

The previous prime is 84084001. The next prime is 84084031. The reversal of 84084018 is 81048048.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84084018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (10519680).

Almost surely, 2^84084018 is an apocalyptic number.

84084018 is an abundant number, since it is smaller than the sum of its proper divisors (84230862).

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

84084018 is a wasteful number, since it uses less digits than its factorization.

84084018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 84084018 is about 9169.7338020250. The cubic root of 84084018 is about 438.0978805873.

The spelling of 84084018 in words is "eighty-four million, eighty-four thousand, eighteen".