434404393 has 2 divisors, whose sum is σ = 434404394. Its totient is φ = 434404392.

The previous prime is 434404367. The next prime is 434404441. The reversal of 434404393 is 393404434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377447184 + 56957209 = 19428^2 + 7547^2 .

It is a cyclic number.

It is not a de Polignac number, because 434404393 - 2²⁵ = 400849961 is a prime.

It is not a weakly prime, because it can be changed into another prime (434404303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217202196 + 217202197.

It is an arithmetic number, because the mean of its divisors is an integer number (217202197).

Almost surely, 2^434404393 is an apocalyptic number.

It is an amenable number.

434404393 is a deficient number, since it is larger than the sum of its proper divisors (1).

434404393 is an equidigital number, since it uses as much as digits as its factorization.

434404393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 434404393 is about 20842.3701387342. The cubic root of 434404393 is about 757.3525107237.

The spelling of 434404393 in words is "four hundred thirty-four million, four hundred four thousand, three hundred ninety-three".