34409857 has 2 divisors, whose sum is σ = 34409858. Its totient is φ = 34409856.

The previous prime is 34409839. The next prime is 34409861. The reversal of 34409857 is 75890443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33628401 + 781456 = 5799^2 + 884^2 .

It is an emirp because it is prime and its reverse (75890443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34409857 - 2¹⁵ = 34377089 is a prime.

It is not a weakly prime, because it can be changed into another prime (34409827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17204928 + 17204929.

It is an arithmetic number, because the mean of its divisors is an integer number (17204929).

Almost surely, 2^34409857 is an apocalyptic number.

It is an amenable number.

34409857 is a deficient number, since it is larger than the sum of its proper divisors (1).

34409857 is an equidigital number, since it uses as much as digits as its factorization.

34409857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 34409857 is about 5865.9915615350. The cubic root of 34409857 is about 325.2577269279.

The spelling of 34409857 in words is "thirty-four million, four hundred nine thousand, eight hundred fifty-seven".