34421449 has 2 divisors, whose sum is σ = 34421450. Its totient is φ = 34421448.

The previous prime is 34421441. The next prime is 34421459. The reversal of 34421449 is 94412443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32126224 + 2295225 = 5668^2 + 1515^2 .

It is an emirp because it is prime and its reverse (94412443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34421449 - 2³ = 34421441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34421449.

It is not a weakly prime, because it can be changed into another prime (34421441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210724 + 17210725.

It is an arithmetic number, because the mean of its divisors is an integer number (17210725).

Almost surely, 2^34421449 is an apocalyptic number.

It is an amenable number.

34421449 is a deficient number, since it is larger than the sum of its proper divisors (1).

34421449 is an equidigital number, since it uses as much as digits as its factorization.

34421449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 34421449 is about 5866.9795465810. The cubic root of 34421449 is about 325.2942471249.

The spelling of 34421449 in words is "thirty-four million, four hundred twenty-one thousand, four hundred forty-nine".