334664621 has 2 divisors, whose sum is σ = 334664622. Its totient is φ = 334664620.

The previous prime is 334664599. The next prime is 334664633. The reversal of 334664621 is 126466433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243672100 + 90992521 = 15610^2 + 9539^2 .

It is an emirp because it is prime and its reverse (126466433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334664621 - 2⁶ = 334664557 is a prime.

It is a super-2 number, since 2×334664621² = 224000817098147282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334664641) 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, 167332310 + 167332311.

It is an arithmetic number, because the mean of its divisors is an integer number (167332311).

Almost surely, 2^334664621 is an apocalyptic number.

It is an amenable number.

334664621 is a deficient number, since it is larger than the sum of its proper divisors (1).

334664621 is an equidigital number, since it uses as much as digits as its factorization.

334664621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 334664621 is about 18293.8410674194. The cubic root of 334664621 is about 694.2831115203.

The spelling of 334664621 in words is "three hundred thirty-four million, six hundred sixty-four thousand, six hundred twenty-one".