434304979 has 2 divisors, whose sum is σ = 434304980. Its totient is φ = 434304978.

The previous prime is 434304977. The next prime is 434305007. The reversal of 434304979 is 979403434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434304979 - 2¹ = 434304977 is a prime.

Together with 434304977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (434304971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217152489 + 217152490.

It is an arithmetic number, because the mean of its divisors is an integer number (217152490).

Almost surely, 2^434304979 is an apocalyptic number.

434304979 is a deficient number, since it is larger than the sum of its proper divisors (1).

434304979 is an equidigital number, since it uses as much as digits as its factorization.

434304979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 434304979 is about 20839.9851007624. The cubic root of 434304979 is about 757.2947326196.

The spelling of 434304979 in words is "four hundred thirty-four million, three hundred four thousand, nine hundred seventy-nine".