434140997 has 2 divisors, whose sum is σ = 434140998. Its totient is φ = 434140996.

The previous prime is 434140981. The next prime is 434141023. The reversal of 434140997 is 799041434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261113281 + 173027716 = 16159^2 + 13154^2 .

It is a cyclic number.

It is not a de Polignac number, because 434140997 - 2⁴ = 434140981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434140907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217070498 + 217070499.

It is an arithmetic number, because the mean of its divisors is an integer number (217070499).

Almost surely, 2^434140997 is an apocalyptic number.

It is an amenable number.

434140997 is a deficient number, since it is larger than the sum of its proper divisors (1).

434140997 is an equidigital number, since it uses as much as digits as its factorization.

434140997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 434140997 is about 20836.0504174856. The cubic root of 434140997 is about 757.1994091767.

The spelling of 434140997 in words is "four hundred thirty-four million, one hundred forty thousand, nine hundred ninety-seven".