304129405 has 16 divisors (see below), whose sum is σ = 387079344. Its totient is φ = 228602880.

The previous prime is 304129361. The next prime is 304129429. The reversal of 304129405 is 504921403.

It can be written as a sum of positive squares in 8 ways, for example, as 2134521 + 301994884 = 1461^2 + 17378^2 .

It is not a de Polignac number, because 304129405 - 2⁷ = 304129277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53479 + ... + 58891.

It is an arithmetic number, because the mean of its divisors is an integer number (24192459).

Almost surely, 2^304129405 is an apocalyptic number.

It is an amenable number.

304129405 is a deficient number, since it is larger than the sum of its proper divisors (82949939).

304129405 is a wasteful number, since it uses less digits than its factorization.

304129405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 304129405 is about 17439.3063222136. The cubic root of 304129405 is about 672.4904749368.

The spelling of 304129405 in words is "three hundred four million, one hundred twenty-nine thousand, four hundred five".