306020434 has 8 divisors (see below), whose sum is σ = 486032508. Its totient is φ = 144009600.

The previous prime is 306020411. The next prime is 306020461. The reversal of 306020434 is 434020603.

It can be written as a sum of positive squares in 2 ways, for example, as 305375625 + 644809 = 17475^2 + 803^2 .

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

It is an unprimeable number.

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, 4500267 + ... + 4500334.

Almost surely, 2^306020434 is an apocalyptic number.

306020434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

306020434 is a deficient number, since it is larger than the sum of its proper divisors (180012074).

306020434 is a wasteful number, since it uses less digits than its factorization.

306020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000620.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 306020434 is about 17493.4397418004. The cubic root of 306020434 is about 673.8814095138.

The spelling of 306020434 in words is "three hundred six million, twenty thousand, four hundred thirty-four".