434481997 has 2 divisors, whose sum is σ = 434481998. Its totient is φ = 434481996.

The previous prime is 434481977. The next prime is 434482001. The reversal of 434481997 is 799184434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405257161 + 29224836 = 20131^2 + 5406^2 .

It is a cyclic number.

It is not a de Polignac number, because 434481997 - 2¹⁹ = 433957709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434481997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434481917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217240998 + 217240999.

It is an arithmetic number, because the mean of its divisors is an integer number (217240999).

Almost surely, 2^434481997 is an apocalyptic number.

It is an amenable number.

434481997 is a deficient number, since it is larger than the sum of its proper divisors (1).

434481997 is an equidigital number, since it uses as much as digits as its factorization.

434481997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 434481997 is about 20844.2317440581. The cubic root of 434481997 is about 757.3976070177.

The spelling of 434481997 in words is "four hundred thirty-four million, four hundred eighty-one thousand, nine hundred ninety-seven".