84286686 has 16 divisors (see below), whose sum is σ = 183898368. Its totient is φ = 25541400.

The previous prime is 84286669. The next prime is 84286687. The reversal of 84286686 is 68668248.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84286687) 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, 638470 + ... + 638601.

It is an arithmetic number, because the mean of its divisors is an integer number (11493648).

Almost surely, 2^84286686 is an apocalyptic number.

84286686 is an abundant number, since it is smaller than the sum of its proper divisors (99611682).

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

84286686 is a wasteful number, since it uses less digits than its factorization.

84286686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277087.

The product of its digits is 884736, while the sum is 48.

The square root of 84286686 is about 9180.7780716016. The cubic root of 84286686 is about 438.4495811167.

The spelling of 84286686 in words is "eighty-four million, two hundred eighty-six thousand, six hundred eighty-six".