305803874 has 8 divisors (see below), whose sum is σ = 469373520. Its totient is φ = 149346036.

The previous prime is 305803873. The next prime is 305803907. The reversal of 305803874 is 478308503.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (305803873) 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, 1777844 + ... + 1778015.

It is an arithmetic number, because the mean of its divisors is an integer number (58671690).

Almost surely, 2^305803874 is an apocalyptic number.

305803874 is a deficient number, since it is larger than the sum of its proper divisors (163569646).

305803874 is a wasteful number, since it uses less digits than its factorization.

305803874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555904.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 305803874 is about 17487.2488974109. The cubic root of 305803874 is about 673.7224112031.

The spelling of 305803874 in words is "three hundred five million, eight hundred three thousand, eight hundred seventy-four".