84136286 has 16 divisors (see below), whose sum is σ = 136425408. Its totient is φ = 38685600.

The previous prime is 84136253. The next prime is 84136289. The reversal of 84136286 is 68263148.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84136289) 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 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (8526588).

Almost surely, 2^84136286 is an apocalyptic number.

84136286 is a deficient number, since it is larger than the sum of its proper divisors (52289122).

84136286 is a wasteful number, since it uses less digits than its factorization.

84136286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227.

The product of its digits is 55296, while the sum is 38.

The square root of 84136286 is about 9172.5833874651. The cubic root of 84136286 is about 438.1886380523.

The spelling of 84136286 in words is "eighty-four million, one hundred thirty-six thousand, two hundred eighty-six".