306343430 has 16 divisors (see below), whose sum is σ = 559649520. Its totient is φ = 120708192.

The previous prime is 306343409. The next prime is 306343439. The reversal of 306343430 is 34343603.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 306343430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306343439) 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 in 7 ways as a sum of consecutive naturals, for example, 227945 + ... + 229284.

It is an arithmetic number, because the mean of its divisors is an integer number (34978095).

Almost surely, 2^306343430 is an apocalyptic number.

306343430 is a deficient number, since it is larger than the sum of its proper divisors (253306090).

306343430 is a wasteful number, since it uses less digits than its factorization.

306343430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457303.

The product of its (nonzero) digits is 7776, while the sum is 26.

The square root of 306343430 is about 17502.6692250068. The cubic root of 306343430 is about 674.1184138029.

The spelling of 306343430 in words is "three hundred six million, three hundred forty-three thousand, four hundred thirty".