986317 has 4 divisors (see below), whose sum is σ = 988540. Its totient is φ = 984096.

The previous prime is 986287. The next prime is 986333. The reversal of 986317 is 713689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713689 = 257 ⋅2777.

It can be written as a sum of positive squares in 2 ways, for example, as 447561 + 538756 = 669^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 986317 - 2⁷ = 986189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986417) by changing a digit.

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, 192 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (247135).

2⁹⁸⁶³¹⁷ is an apocalyptic number.

It is an amenable number.

986317 is a deficient number, since it is larger than the sum of its proper divisors (2223).

986317 is a wasteful number, since it uses less digits than its factorization.

986317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222.

The product of its digits is 9072, while the sum is 34.

The square root of 986317 is about 993.1349354443. The cubic root of 986317 is about 99.5418037687.

The spelling of 986317 in words is "nine hundred eighty-six thousand, three hundred seventeen".