86109684 has 24 divisors (see below), whose sum is σ = 203468160. Its totient is φ = 28339584.

The previous prime is 86109659. The next prime is 86109689. The reversal of 86109684 is 48690168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86109689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44469 + ... + 46364.

It is an arithmetic number, because the mean of its divisors is an integer number (8477840).

Almost surely, 2^86109684 is an apocalyptic number.

It is an amenable number.

86109684 is an abundant number, since it is smaller than the sum of its proper divisors (117358476).

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

86109684 is a wasteful number, since it uses less digits than its factorization.

86109684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90919 (or 90917 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 86109684 is about 9279.5303760481. The cubic root of 86109684 is about 441.5880699032.

The spelling of 86109684 in words is "eighty-six million, one hundred nine thousand, six hundred eighty-four".