86986 has 16 divisors (see below), whose sum is σ = 142848. Its totient is φ = 39600.

The previous prime is 86981. The next prime is 86993. The reversal of 86986 is 68968.

It is not an unprimeable number, because it can be changed into a prime (86981) 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, 1396 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (8928).

2⁸⁶⁹⁸⁶ is an apocalyptic number.

86986 is a deficient number, since it is larger than the sum of its proper divisors (55862).

86986 is a wasteful number, since it uses less digits than its factorization.

86986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its digits is 20736, while the sum is 37.

The square root of 86986 is about 294.9338908976. The cubic root of 86986 is about 44.3080992823.

The spelling of 86986 in words is "eighty-six thousand, nine hundred eighty-six".