865093 has 4 divisors (see below), whose sum is σ = 868140. Its totient is φ = 862048.

The previous prime is 865091. The next prime is 865103. The reversal of 865093 is 390568.

865093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 452929 + 412164 = 673^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 865093 - 2¹ = 865091 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865091) 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, 1048 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (217035).

2⁸⁶⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

865093 is a deficient number, since it is larger than the sum of its proper divisors (3047).

865093 is a wasteful number, since it uses less digits than its factorization.

865093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 865093 is about 930.1037576529. The cubic root of 865093 is about 95.2842089105.

The spelling of 865093 in words is "eight hundred sixty-five thousand, ninety-three".