434320993 has 2 divisors, whose sum is σ = 434320994. Its totient is φ = 434320992.

The previous prime is 434320973. The next prime is 434321009. The reversal of 434320993 is 399023434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343842849 + 90478144 = 18543^2 + 9512^2 .

It is a cyclic number.

It is not a de Polignac number, because 434320993 - 2⁵ = 434320961 is a prime.

It is not a weakly prime, because it can be changed into another prime (434320933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217160496 + 217160497.

It is an arithmetic number, because the mean of its divisors is an integer number (217160497).

Almost surely, 2^434320993 is an apocalyptic number.

It is an amenable number.

434320993 is a deficient number, since it is larger than the sum of its proper divisors (1).

434320993 is an equidigital number, since it uses as much as digits as its factorization.

434320993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 434320993 is about 20840.3693105473. The cubic root of 434320993 is about 757.3040403406.

The spelling of 434320993 in words is "four hundred thirty-four million, three hundred twenty thousand, nine hundred ninety-three".