304400429 has 2 divisors, whose sum is σ = 304400430. Its totient is φ = 304400428.

The previous prime is 304400399. The next prime is 304400471. The reversal of 304400429 is 924004403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161239204 + 143161225 = 12698^2 + 11965^2 .

It is a cyclic number.

It is not a de Polignac number, because 304400429 - 2¹⁶ = 304334893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304400398 and 304400407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304400489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152200214 + 152200215.

It is an arithmetic number, because the mean of its divisors is an integer number (152200215).

Almost surely, 2^304400429 is an apocalyptic number.

It is an amenable number.

304400429 is a deficient number, since it is larger than the sum of its proper divisors (1).

304400429 is an equidigital number, since it uses as much as digits as its factorization.

304400429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 304400429 is about 17447.0750843802. The cubic root of 304400429 is about 672.6901782449.

The spelling of 304400429 in words is "three hundred four million, four hundred thousand, four hundred twenty-nine".