809941 has 8 divisors (see below), whose sum is σ = 914400. Its totient is φ = 710640.

The previous prime is 809929. The next prime is 809981. The reversal of 809941 is 149908.

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

It is a cyclic number.

It is not a de Polignac number, because 809941 - 2⁵ = 809909 is a prime.

It is a Duffinian number.

809941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809981) 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, 951 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (114300).

2⁸⁰⁹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

809941 is a deficient number, since it is larger than the sum of its proper divisors (104459).

809941 is a wasteful number, since it uses less digits than its factorization.

809941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 809941 is about 899.9672216253. The cubic root of 809941 is about 93.2147118308.

The spelling of 809941 in words is "eight hundred nine thousand, nine hundred forty-one".