306873 has 12 divisors (see below), whose sum is σ = 506688. Its totient is φ = 175320.

The previous prime is 306871. The next prime is 306877. The reversal of 306873 is 378603.

It is a happy number.

It is not a de Polignac number, because 306873 - 2¹ = 306871 is a prime.

It is a Curzon 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 306873.

It is not an unprimeable number, because it can be changed into a prime (306871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2373 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (42224).

2³⁰⁶⁸⁷³ is an apocalyptic number.

It is an amenable number.

306873 is a deficient number, since it is larger than the sum of its proper divisors (199815).

306873 is a wasteful number, since it uses less digits than its factorization.

306873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884 (or 4881 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 306873 is about 553.9611899763. The cubic root of 306873 is about 67.4506635367.

It can be divided in two parts, 30 and 6873, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 306873 in words is "three hundred six thousand, eight hundred seventy-three".