34845439 has 2 divisors, whose sum is σ = 34845440. Its totient is φ = 34845438.

The previous prime is 34845413. The next prime is 34845469. The reversal of 34845439 is 93454843.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34845439 - 2¹³ = 34837247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34845469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17422719 + 17422720.

It is an arithmetic number, because the mean of its divisors is an integer number (17422720).

Almost surely, 2^34845439 is an apocalyptic number.

34845439 is a deficient number, since it is larger than the sum of its proper divisors (1).

34845439 is an equidigital number, since it uses as much as digits as its factorization.

34845439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 34845439 is about 5903.0025410803. The cubic root of 34845439 is about 326.6244164201.

The spelling of 34845439 in words is "thirty-four million, eight hundred forty-five thousand, four hundred thirty-nine".