306844 has 12 divisors (see below), whose sum is σ = 550368. Its totient is φ = 149600.

The previous prime is 306829. The next prime is 306847. The reversal of 306844 is 448603.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306847) 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, 772 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (45864).

2³⁰⁶⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

306844 is a deficient number, since it is larger than the sum of its proper divisors (243524).

306844 is a wasteful number, since it uses less digits than its factorization.

306844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 306844 is about 553.9350142390. The cubic root of 306844 is about 67.4485387371.

The spelling of 306844 in words is "three hundred six thousand, eight hundred forty-four".