34424389 has 2 divisors, whose sum is σ = 34424390. Its totient is φ = 34424388.

The previous prime is 34424347. The next prime is 34424407. The reversal of 34424389 is 98342443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33062500 + 1361889 = 5750^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 34424389 - 2²¹ = 32327237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34424309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17212194 + 17212195.

It is an arithmetic number, because the mean of its divisors is an integer number (17212195).

Almost surely, 2^34424389 is an apocalyptic number.

It is an amenable number.

34424389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34424389 is an equidigital number, since it uses as much as digits as its factorization.

34424389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The square root of 34424389 is about 5867.2300960504. The cubic root of 34424389 is about 325.3035081901.

The spelling of 34424389 in words is "thirty-four million, four hundred twenty-four thousand, three hundred eighty-nine".