84986838 has 12 divisors (see below), whose sum is σ = 184138188. Its totient is φ = 28328940.

The previous prime is 84986831. The next prime is 84986851. The reversal of 84986838 is 83868948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84986831) 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 5 ways as a sum of consecutive naturals, for example, 2360728 + ... + 2360763.

It is an arithmetic number, because the mean of its divisors is an integer number (15344849).

Almost surely, 2^84986838 is an apocalyptic number.

84986838 is an abundant number, since it is smaller than the sum of its proper divisors (99151350).

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

84986838 is a wasteful number, since it uses less digits than its factorization.

84986838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721499 (or 4721496 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 84986838 is about 9218.8306199865. The cubic root of 84986838 is about 439.6602715062.

The spelling of 84986838 in words is "eighty-four million, nine hundred eighty-six thousand, eight hundred thirty-eight".