84988218 has 16 divisors (see below), whose sum is σ = 194258880. Its totient is φ = 24282336.

The previous prime is 84988213. The next prime is 84988229. The reversal of 84988218 is 81288948.

It is not an unprimeable number, because it can be changed into a prime (84988213) 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 7 ways as a sum of consecutive naturals, for example, 1011723 + ... + 1011806.

It is an arithmetic number, because the mean of its divisors is an integer number (12141180).

Almost surely, 2^84988218 is an apocalyptic number.

84988218 is an abundant number, since it is smaller than the sum of its proper divisors (109270662).

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

84988218 is a wasteful number, since it uses less digits than its factorization.

84988218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023541.

The product of its digits is 294912, while the sum is 48.

The square root of 84988218 is about 9218.9054664857. The cubic root of 84988218 is about 439.6626511998.

The spelling of 84988218 in words is "eighty-four million, nine hundred eighty-eight thousand, two hundred eighteen".