989065 has 24 divisors (see below), whose sum is σ = 1510272. Its totient is φ = 614880.

The previous prime is 989059. The next prime is 989071. The reversal of 989065 is 560989.

It is an interprime number because it is at equal distance from previous prime (989059) and next prime (989071).

It is not a de Polignac number, because 989065 - 2⁷ = 988937 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 2512 + ... + 2878.

It is an arithmetic number, because the mean of its divisors is an integer number (62928).

2⁹⁸⁹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

989065 is a deficient number, since it is larger than the sum of its proper divisors (521207).

989065 is a wasteful number, since it uses less digits than its factorization.

989065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 989065 is about 994.5174709375. The cubic root of 989065 is about 99.6341632669.

The spelling of 989065 in words is "nine hundred eighty-nine thousand, sixty-five".