34442381 has 2 divisors, whose sum is σ = 34442382. Its totient is φ = 34442380.

The previous prime is 34442363. The next prime is 34442413. The reversal of 34442381 is 18324443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 15476356 = 4355^2 + 3934^2 .

It is an emirp because it is prime and its reverse (18324443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34442381 - 2²² = 30248077 is a prime.

It is a super-2 number, since 2×34442381² = 2372555217898322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34442311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17221190 + 17221191.

It is an arithmetic number, because the mean of its divisors is an integer number (17221191).

Almost surely, 2^34442381 is an apocalyptic number.

It is an amenable number.

34442381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34442381 is an equidigital number, since it uses as much as digits as its factorization.

34442381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 29.

The square root of 34442381 is about 5868.7631575997. The cubic root of 34442381 is about 325.3601719055.

The spelling of 34442381 in words is "thirty-four million, four hundred forty-two thousand, three hundred eighty-one".