890065 has 8 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 647280.

The previous prime is 890063. The next prime is 890083. The reversal of 890065 is 560098.

890065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 890065 - 2¹ = 890063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (145656).

2⁸⁹⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

890065 is a deficient number, since it is larger than the sum of its proper divisors (275183).

890065 is a wasteful number, since it uses less digits than its factorization.

890065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 890065 is about 943.4325625078. The cubic root of 890065 is about 96.1923588083.

The spelling of 890065 in words is "eight hundred ninety thousand, sixty-five".