986864 has 20 divisors (see below), whose sum is σ = 1964904. Its totient is φ = 479808.

The previous prime is 986857. The next prime is 986903. The reversal of 986864 is 468689.

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 986864.

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, 242 + ... + 1425.

2⁹⁸⁶⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

986864 is a deficient number, since it is larger than the sum of its proper divisors (978040).

986864 is a wasteful number, since it uses less digits than its factorization.

986864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1706 counting only the distinct ones).

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

The square root of 986864 is about 993.4102878469. The cubic root of 986864 is about 99.5602019456.

The spelling of 986864 in words is "nine hundred eighty-six thousand, eight hundred sixty-four".