304378873 has 4 divisors (see below), whose sum is σ = 304424548. Its totient is φ = 304333200.

The previous prime is 304378861. The next prime is 304378901. The reversal of 304378873 is 378873403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 301091904 + 3286969 = 17352^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 304378873 - 2²⁵ = 270824441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304378813) 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, 10686 + ... + 26887.

It is an arithmetic number, because the mean of its divisors is an integer number (76106137).

Almost surely, 2^304378873 is an apocalyptic number.

It is an amenable number.

304378873 is a deficient number, since it is larger than the sum of its proper divisors (45675).

304378873 is an equidigital number, since it uses as much as digits as its factorization.

304378873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45674.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 304378873 is about 17446.4573194675. The cubic root of 304378873 is about 672.6742991042.

The spelling of 304378873 in words is "three hundred four million, three hundred seventy-eight thousand, eight hundred seventy-three".