304104137 has 4 divisors (see below), whose sum is σ = 317326080. Its totient is φ = 290882196.

The previous prime is 304104107. The next prime is 304104181. The reversal of 304104137 is 731401403.

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 304104137 - 2⁸ = 304103881 is a prime.

It is a super-2 number, since 2×304104137² = 184958652281029538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 13221919 = 304104137 / (3 + 0 + 4 + 1 + 0 + 4 + 1 + 3 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304104107) 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, 6610937 + ... + 6610982.

It is an arithmetic number, because the mean of its divisors is an integer number (79331520).

Almost surely, 2^304104137 is an apocalyptic number.

It is an amenable number.

304104137 is a deficient number, since it is larger than the sum of its proper divisors (13221943).

304104137 is a wasteful number, since it uses less digits than its factorization.

304104137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221942.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 304104137 is about 17438.5818517447. The cubic root of 304104137 is about 672.4718502334.

The spelling of 304104137 in words is "three hundred four million, one hundred four thousand, one hundred thirty-seven".