34078409 has 2 divisors, whose sum is σ = 34078410. Its totient is φ = 34078408.

The previous prime is 34078379. The next prime is 34078441. The reversal of 34078409 is 90487043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 7038409 = 5200^2 + 2653^2 .

It is an emirp because it is prime and its reverse (90487043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34078409 is a prime.

It is a super-2 number, since 2×34078409² = 2322675919942562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34078469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17039204 + 17039205.

It is an arithmetic number, because the mean of its divisors is an integer number (17039205).

Almost surely, 2^34078409 is an apocalyptic number.

It is an amenable number.

34078409 is a deficient number, since it is larger than the sum of its proper divisors (1).

34078409 is an equidigital number, since it uses as much as digits as its factorization.

34078409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 34078409 is about 5837.6715392355. The cubic root of 34078409 is about 324.2100229772.

The spelling of 34078409 in words is "thirty-four million, seventy-eight thousand, four hundred nine".