84240188 has 12 divisors (see below), whose sum is σ = 147693672. Its totient is φ = 42042000.

The previous prime is 84240187. The next prime is 84240209. The reversal of 84240188 is 88104248.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84240187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17063 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (12307806).

Almost surely, 2^84240188 is an apocalyptic number.

It is an amenable number.

84240188 is a deficient number, since it is larger than the sum of its proper divisors (63453484).

84240188 is a wasteful number, since it uses less digits than its factorization.

84240188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39052 (or 39050 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 84240188 is about 9178.2453660817. The cubic root of 84240188 is about 438.3689405487.

The spelling of 84240188 in words is "eighty-four million, two hundred forty thousand, one hundred eighty-eight".