306849 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 197456.

The previous prime is 306847. The next prime is 306853. The reversal of 306849 is 948603.

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 306849 - 2¹ = 306847 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306849.

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 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2³⁰⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

306849 is a deficient number, since it is larger than the sum of its proper divisors (116511).

306849 is a wasteful number, since it uses less digits than its factorization.

306849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 306849 is about 553.9395273854. The cubic root of 306849 is about 67.4489050914.

The spelling of 306849 in words is "three hundred six thousand, eight hundred forty-nine".