304049407 has 4 divisors (see below), whose sum is σ = 304129080. Its totient is φ = 303969736.

The previous prime is 304049377. The next prime is 304049413. The reversal of 304049407 is 704940403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304049407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304049107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33808 + ... + 41845.

It is an arithmetic number, because the mean of its divisors is an integer number (76032270).

Almost surely, 2^304049407 is an apocalyptic number.

304049407 is a deficient number, since it is larger than the sum of its proper divisors (79673).

304049407 is an equidigital number, since it uses as much as digits as its factorization.

304049407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79672.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 304049407 is about 17437.0125594954. The cubic root of 304049407 is about 672.4315059478.

The spelling of 304049407 in words is "three hundred four million, forty-nine thousand, four hundred seven".