986618 has 8 divisors (see below), whose sum is σ = 1484148. Its totient is φ = 491904.

The previous prime is 986617. The next prime is 986633. The reversal of 986618 is 816689.

It can be written as a sum of positive squares in 2 ways, for example, as 935089 + 51529 = 967^2 + 227^2 .

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

It is not an unprimeable number, because it can be changed into a prime (986617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980 + ... + 1712.

2⁹⁸⁶⁶¹⁸ is an apocalyptic number.

986618 is a deficient number, since it is larger than the sum of its proper divisors (497530).

986618 is a wasteful number, since it uses less digits than its factorization.

986618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its digits is 20736, while the sum is 38.

The square root of 986618 is about 993.2864642187. The cubic root of 986618 is about 99.5519286526.

The spelling of 986618 in words is "nine hundred eighty-six thousand, six hundred eighteen".