304728049 has 2 divisors, whose sum is σ = 304728050. Its totient is φ = 304728048.

The previous prime is 304728037. The next prime is 304728059. The reversal of 304728049 is 940827403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171741025 + 132987024 = 13105^2 + 11532^2 .

It is a cyclic number.

It is not a de Polignac number, because 304728049 - 2¹⁷ = 304596977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304727999 and 304728017.

It is not a weakly prime, because it can be changed into another prime (304728019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152364024 + 152364025.

It is an arithmetic number, because the mean of its divisors is an integer number (152364025).

Almost surely, 2^304728049 is an apocalyptic number.

It is an amenable number.

304728049 is a deficient number, since it is larger than the sum of its proper divisors (1).

304728049 is an equidigital number, since it uses as much as digits as its factorization.

304728049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 304728049 is about 17456.4615257503. The cubic root of 304728049 is about 672.9314259749.

The spelling of 304728049 in words is "three hundred four million, seven hundred twenty-eight thousand, forty-nine".