34923809 has 2 divisors, whose sum is σ = 34923810. Its totient is φ = 34923808.

The previous prime is 34923803. The next prime is 34923829. The reversal of 34923809 is 90832943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34845409 + 78400 = 5903^2 + 280^2 .

It is an emirp because it is prime and its reverse (90832943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34923809 - 2¹² = 34919713 is a prime.

It is not a weakly prime, because it can be changed into another prime (34923803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17461904 + 17461905.

It is an arithmetic number, because the mean of its divisors is an integer number (17461905).

Almost surely, 2^34923809 is an apocalyptic number.

It is an amenable number.

34923809 is a deficient number, since it is larger than the sum of its proper divisors (1).

34923809 is an equidigital number, since it uses as much as digits as its factorization.

34923809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 34923809 is about 5909.6369600848. The cubic root of 34923809 is about 326.8691006592.

The spelling of 34923809 in words is "thirty-four million, nine hundred twenty-three thousand, eight hundred nine".