986089 has 4 divisors (see below), whose sum is σ = 1061956. Its totient is φ = 910224.

The previous prime is 986071. The next prime is 986101. The reversal of 986089 is 980689.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 870489 = 340^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 986089 - 2¹³ = 977897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37914 + ... + 37939.

It is an arithmetic number, because the mean of its divisors is an integer number (265489).

2⁹⁸⁶⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

986089 is a deficient number, since it is larger than the sum of its proper divisors (75867).

986089 is a wasteful number, since it uses less digits than its factorization.

986089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75866.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 986089 is about 993.0201407827. The cubic root of 986089 is about 99.5341330501.

Subtracting from 986089 its sum of digits (40), we obtain a square (986049 = 993²).

The spelling of 986089 in words is "nine hundred eighty-six thousand, eighty-nine".