434647379 has 2 divisors, whose sum is σ = 434647380. Its totient is φ = 434647378.

The previous prime is 434647349. The next prime is 434647417. The reversal of 434647379 is 973746434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434647379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (434647319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217323689 + 217323690.

It is an arithmetic number, because the mean of its divisors is an integer number (217323690).

Almost surely, 2^434647379 is an apocalyptic number.

434647379 is a deficient number, since it is larger than the sum of its proper divisors (1).

434647379 is an equidigital number, since it uses as much as digits as its factorization.

434647379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 47.

The square root of 434647379 is about 20848.1984593394. The cubic root of 434647379 is about 757.4936938846.

The spelling of 434647379 in words is "four hundred thirty-four million, six hundred forty-seven thousand, three hundred seventy-nine".