986686 has 8 divisors (see below), whose sum is σ = 1484280. Its totient is φ = 491928.

The previous prime is 986659. The next prime is 986693. The reversal of 986686 is 686689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

2⁹⁸⁶⁶⁸⁶ is an apocalyptic number.

986686 is a deficient number, since it is larger than the sum of its proper divisors (497594).

986686 is a wasteful number, since it uses less digits than its factorization.

986686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its digits is 124416, while the sum is 43.

The square root of 986686 is about 993.3206934319. The cubic root of 986686 is about 99.5542157167.

The spelling of 986686 in words is "nine hundred eighty-six thousand, six hundred eighty-six".