84242988 has 36 divisors (see below), whose sum is σ = 217482720. Its totient is φ = 27482976.

The previous prime is 84242981. The next prime is 84243001. The reversal of 84242988 is 88924248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (84242981) 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 11 ways as a sum of consecutive naturals, for example, 23203 + ... + 26586.

Almost surely, 2^84242988 is an apocalyptic number.

It is an amenable number.

84242988 is an abundant number, since it is smaller than the sum of its proper divisors (133239732).

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

84242988 is a wasteful number, since it uses less digits than its factorization.

84242988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49846 (or 49841 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 84242988 is about 9178.3978994158. The cubic root of 84242988 is about 438.3737973732.

The spelling of 84242988 in words is "eighty-four million, two hundred forty-two thousand, nine hundred eighty-eight".