34443881 has 2 divisors, whose sum is σ = 34443882. Its totient is φ = 34443880.

The previous prime is 34443859. The next prime is 34443901. The reversal of 34443881 is 18834443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 2859481 = 5620^2 + 1691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34443881 is a prime.

It is a super-2 number, since 2×34443881² = 2372761876684322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34443841) 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, 17221940 + 17221941.

It is an arithmetic number, because the mean of its divisors is an integer number (17221941).

Almost surely, 2^34443881 is an apocalyptic number.

It is an amenable number.

34443881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34443881 is an equidigital number, since it uses as much as digits as its factorization.

34443881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 35.

The square root of 34443881 is about 5868.8909514490. The cubic root of 34443881 is about 325.3648950902.

The spelling of 34443881 in words is "thirty-four million, four hundred forty-three thousand, eight hundred eighty-one".