34210909 has 2 divisors, whose sum is σ = 34210910. Its totient is φ = 34210908.

The previous prime is 34210889. The next prime is 34210951. The reversal of 34210909 is 90901243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25030009 + 9180900 = 5003^2 + 3030^2 .

It is a cyclic number.

It is not a de Polignac number, because 34210909 - 2¹⁵ = 34178141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34213909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17105454 + 17105455.

It is an arithmetic number, because the mean of its divisors is an integer number (17105455).

Almost surely, 2^34210909 is an apocalyptic number.

It is an amenable number.

34210909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34210909 is an equidigital number, since it uses as much as digits as its factorization.

34210909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 34210909 is about 5849.0092323401. The cubic root of 34210909 is about 324.6296657421.

The spelling of 34210909 in words is "thirty-four million, two hundred ten thousand, nine hundred nine".