84238842 has 32 divisors (see below), whose sum is σ = 184149504. Its totient is φ = 25574400.

The previous prime is 84238841. The next prime is 84238871. The reversal of 84238842 is 24883248.

It is a self number, because there is not a number n which added to its sum of digits gives 84238842.

It is not an unprimeable number, because it can be changed into a prime (84238841) 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 15 ways as a sum of consecutive naturals, for example, 10159 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (5754672).

Almost surely, 2^84238842 is an apocalyptic number.

84238842 is an abundant number, since it is smaller than the sum of its proper divisors (99910662).

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

84238842 is a wasteful number, since it uses less digits than its factorization.

84238842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26694.

The product of its digits is 98304, while the sum is 39.

The square root of 84238842 is about 9178.1720402267. The cubic root of 84238842 is about 438.3666057655.

The spelling of 84238842 in words is "eighty-four million, two hundred thirty-eight thousand, eight hundred forty-two".