304064869 has 4 divisors (see below), whose sum is σ = 309801996. Its totient is φ = 298327744.

The previous prime is 304064861. The next prime is 304064881. The reversal of 304064869 is 968460403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968460403 = 17 ⋅56968259.

It can be written as a sum of positive squares in 2 ways, for example, as 94828644 + 209236225 = 9738^2 + 14465^2 .

It is a cyclic number.

It is not a de Polignac number, because 304064869 - 2³ = 304064861 is a prime.

It is a super-2 number, since 2×304064869² = 184910889119974322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304064861) 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, 2868484 + ... + 2868589.

It is an arithmetic number, because the mean of its divisors is an integer number (77450499).

Almost surely, 2^304064869 is an apocalyptic number.

It is an amenable number.

304064869 is a deficient number, since it is larger than the sum of its proper divisors (5737127).

304064869 is an equidigital number, since it uses as much as digits as its factorization.

304064869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737126.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 304064869 is about 17437.4559210912. The cubic root of 304064869 is about 672.4429042704.

The spelling of 304064869 in words is "three hundred four million, sixty-four thousand, eight hundred sixty-nine".