986684 has 12 divisors (see below), whose sum is σ = 1745184. Its totient is φ = 488064.

The previous prime is 986659. The next prime is 986693. The reversal of 986684 is 486689.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (145432).

2⁹⁸⁶⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

986684 is a deficient number, since it is larger than the sum of its proper divisors (758500).

986684 is a wasteful number, since it uses less digits than its factorization.

986684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2642 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 986684 is about 993.3196867072. The cubic root of 986684 is about 99.5541484516.

The spelling of 986684 in words is "nine hundred eighty-six thousand, six hundred eighty-four".