305841 has 8 divisors (see below), whose sum is σ = 412384. Its totient is φ = 201600.

The previous prime is 305839. The next prime is 305849. The reversal of 305841 is 148503.

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

It is not a de Polignac number, because 305841 - 2¹ = 305839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305841.

It is not an unprimeable number, because it can be changed into a prime (305849) 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, 235 + ... + 816.

It is an arithmetic number, because the mean of its divisors is an integer number (51548).

2³⁰⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

305841 is a deficient number, since it is larger than the sum of its proper divisors (106543).

305841 is a wasteful number, since it uses less digits than its factorization.

305841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 305841 is about 553.0289323354. The cubic root of 305841 is about 67.3749674435.

The spelling of 305841 in words is "three hundred five thousand, eight hundred forty-one".