994171 has 4 divisors (see below), whose sum is σ = 996472. Its totient is φ = 991872.

The previous prime is 994163. The next prime is 994181. The reversal of 994171 is 171499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171499 = 149 ⋅1151.

It is a cyclic number.

It is not a de Polignac number, because 994171 - 2³ = 994163 is a prime.

It is a Duffinian number.

994171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (994141) 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, 285 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (249118).

2⁹⁹⁴¹⁷¹ is an apocalyptic number.

994171 is a deficient number, since it is larger than the sum of its proper divisors (2301).

994171 is a wasteful number, since it uses less digits than its factorization.

994171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its digits is 2268, while the sum is 31.

The square root of 994171 is about 997.0812404213. The cubic root of 994171 is about 99.8053212478.

The spelling of 994171 in words is "nine hundred ninety-four thousand, one hundred seventy-one".