86650 has 12 divisors (see below), whose sum is σ = 161262. Its totient is φ = 34640.

The previous prime is 86629. The next prime is 86677. The reversal of 86650 is 5668.

It can be written as a sum of positive squares in 3 ways, for example, as 62001 + 24649 = 249^2 + 157^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 817 + ... + 916.

2⁸⁶⁶⁵⁰ is an apocalyptic number.

86650 is a deficient number, since it is larger than the sum of its proper divisors (74612).

86650 is a wasteful number, since it uses less digits than its factorization.

86650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 86650 is about 294.3637205907. The cubic root of 86650 is about 44.2509761773.

The spelling of 86650 in words is "eighty-six thousand, six hundred fifty".