434345687 has 2 divisors, whose sum is σ = 434345688. Its totient is φ = 434345686.

The previous prime is 434345663. The next prime is 434345689. The reversal of 434345687 is 786543434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434345687 - 2²⁴ = 417568471 is a prime.

Together with 434345689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434345689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172843 + 217172844.

It is an arithmetic number, because the mean of its divisors is an integer number (217172844).

Almost surely, 2^434345687 is an apocalyptic number.

434345687 is a deficient number, since it is larger than the sum of its proper divisors (1).

434345687 is an equidigital number, since it uses as much as digits as its factorization.

434345687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 44.

The square root of 434345687 is about 20840.9617580379. The cubic root of 434345687 is about 757.3183926375.

The spelling of 434345687 in words is "four hundred thirty-four million, three hundred forty-five thousand, six hundred eighty-seven".