986365 has 4 divisors (see below), whose sum is σ = 1183644. Its totient is φ = 789088.

The previous prime is 986351. The next prime is 986369. The reversal of 986365 is 563689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563689 = 7 ⋅80527.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 257049 = 854^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 986365 - 2⁵ = 986333 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 (986369) 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, 98632 + ... + 98641.

It is an arithmetic number, because the mean of its divisors is an integer number (295911).

2⁹⁸⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

986365 is a deficient number, since it is larger than the sum of its proper divisors (197279).

986365 is a wasteful number, since it uses less digits than its factorization.

986365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197278.

The product of its digits is 38880, while the sum is 37.

The square root of 986365 is about 993.1591010508. The cubic root of 986365 is about 99.5434185061.

The spelling of 986365 in words is "nine hundred eighty-six thousand, three hundred sixty-five".