306434434 has 8 divisors (see below), whose sum is σ = 461288268. Its totient is φ = 152671680.

The previous prime is 306434431. The next prime is 306434459. The reversal of 306434434 is 434434603.

It can be written as a sum of positive squares in 2 ways, for example, as 306425025 + 9409 = 17505^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 306434396 and 306434405.

It is not an unprimeable number, because it can be changed into a prime (306434431) 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 3 ways as a sum of consecutive naturals, for example, 272067 + ... + 273190.

Almost surely, 2^306434434 is an apocalyptic number.

306434434 is a deficient number, since it is larger than the sum of its proper divisors (154853834).

306434434 is a wasteful number, since it uses less digits than its factorization.

306434434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545540.

The product of its (nonzero) digits is 41472, while the sum is 31.

The square root of 306434434 is about 17505.2687497222. The cubic root of 306434434 is about 674.1851595882.

The spelling of 306434434 in words is "three hundred six million, four hundred thirty-four thousand, four hundred thirty-four".