434626399 has 2 divisors, whose sum is σ = 434626400. Its totient is φ = 434626398.

The previous prime is 434626333. The next prime is 434626411. The reversal of 434626399 is 993626434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434626399 - 2¹⁹ = 434102111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434626099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217313199 + 217313200.

It is an arithmetic number, because the mean of its divisors is an integer number (217313200).

Almost surely, 2^434626399 is an apocalyptic number.

434626399 is a deficient number, since it is larger than the sum of its proper divisors (1).

434626399 is an equidigital number, since it uses as much as digits as its factorization.

434626399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 46.

The square root of 434626399 is about 20847.6952922859. The cubic root of 434626399 is about 757.4815058641.

The spelling of 434626399 in words is "four hundred thirty-four million, six hundred twenty-six thousand, three hundred ninety-nine".