434904347 has 2 divisors, whose sum is σ = 434904348. Its totient is φ = 434904346.

The previous prime is 434904341. The next prime is 434904359. The reversal of 434904347 is 743409434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434904347 - 2¹⁴ = 434887963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434904347.

It is not a weakly prime, because it can be changed into another prime (434904341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217452173 + 217452174.

It is an arithmetic number, because the mean of its divisors is an integer number (217452174).

Almost surely, 2^434904347 is an apocalyptic number.

434904347 is a deficient number, since it is larger than the sum of its proper divisors (1).

434904347 is an equidigital number, since it uses as much as digits as its factorization.

434904347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 434904347 is about 20854.3603833827. The cubic root of 434904347 is about 757.6429438295.

The spelling of 434904347 in words is "four hundred thirty-four million, nine hundred four thousand, three hundred forty-seven".