34278449 has 2 divisors, whose sum is σ = 34278450. Its totient is φ = 34278448.

The previous prime is 34278407. The next prime is 34278481. The reversal of 34278449 is 94487243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 14386849 = 4460^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 34278449 - 2¹² = 34274353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34278499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17139224 + 17139225.

It is an arithmetic number, because the mean of its divisors is an integer number (17139225).

Almost surely, 2^34278449 is an apocalyptic number.

It is an amenable number.

34278449 is a deficient number, since it is larger than the sum of its proper divisors (1).

34278449 is an equidigital number, since it uses as much as digits as its factorization.

34278449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 34278449 is about 5854.7800129467. The cubic root of 34278449 is about 324.8431558778.

The spelling of 34278449 in words is "thirty-four million, two hundred seventy-eight thousand, four hundred forty-nine".