994165 has 4 divisors (see below), whose sum is σ = 1193004. Its totient is φ = 795328.

The previous prime is 994163. The next prime is 994181. The reversal of 994165 is 561499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561499 = 23 ⋅24413.

It can be written as a sum of positive squares in 2 ways, for example, as 145924 + 848241 = 382^2 + 921^2 .

It is a cyclic number.

It is not a de Polignac number, because 994165 - 2¹ = 994163 is a prime.

It is a Duffinian number.

994165 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 994165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994163) 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, 99412 + ... + 99421.

It is an arithmetic number, because the mean of its divisors is an integer number (298251).

2⁹⁹⁴¹⁶⁵ is an apocalyptic number.

It is an amenable number.

994165 is a deficient number, since it is larger than the sum of its proper divisors (198839).

994165 is a wasteful number, since it uses less digits than its factorization.

994165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198838.

The product of its digits is 9720, while the sum is 34.

The square root of 994165 is about 997.0782316348. The cubic root of 994165 is about 99.8051204664.

The spelling of 994165 in words is "nine hundred ninety-four thousand, one hundred sixty-five".