304049217 has 4 divisors (see below), whose sum is σ = 405398960. Its totient is φ = 202699476.

The previous prime is 304049203. The next prime is 304049219. The reversal of 304049217 is 712940403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 304049217 - 2¹⁰ = 304048193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304049219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50674867 + ... + 50674872.

It is an arithmetic number, because the mean of its divisors is an integer number (101349740).

Almost surely, 2^304049217 is an apocalyptic number.

It is an amenable number.

304049217 is a deficient number, since it is larger than the sum of its proper divisors (101349743).

304049217 is a wasteful number, since it uses less digits than its factorization.

304049217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101349742.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 304049217 is about 17437.0071113136. The cubic root of 304049217 is about 672.4313658806.

It can be divided in two parts, 30404 and 9217, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 304049217 in words is "three hundred four million, forty-nine thousand, two hundred seventeen".