305242804 has 12 divisors (see below), whose sum is σ = 535509828. Its totient is φ = 152240000.

The previous prime is 305242799. The next prime is 305242811. The reversal of 305242804 is 408242503.

It can be written as a sum of positive squares in 2 ways, for example, as 259274404 + 45968400 = 16102^2 + 6780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93547 + ... + 96754.

It is an arithmetic number, because the mean of its divisors is an integer number (44625819).

Almost surely, 2^305242804 is an apocalyptic number.

It is an amenable number.

305242804 is a deficient number, since it is larger than the sum of its proper divisors (230267024).

305242804 is a wasteful number, since it uses less digits than its factorization.

305242804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190706 (or 190704 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 305242804 is about 17471.1992719447. The cubic root of 305242804 is about 673.3101242422.

The spelling of 305242804 in words is "three hundred five million, two hundred forty-two thousand, eight hundred four".