34001209 has 4 divisors (see below), whose sum is σ = 37092240. Its totient is φ = 30910180.

The previous prime is 34001183. The next prime is 34001239. The reversal of 34001209 is 90210043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34001209 - 2⁷ = 34001081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34001239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545499 + ... + 1545520.

It is an arithmetic number, because the mean of its divisors is an integer number (9273060).

Almost surely, 2^34001209 is an apocalyptic number.

It is an amenable number.

34001209 is a deficient number, since it is larger than the sum of its proper divisors (3091031).

34001209 is a wasteful number, since it uses less digits than its factorization.

34001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091030.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 34001209 is about 5831.0555648184. The cubic root of 34001209 is about 323.9650199750.

The spelling of 34001209 in words is "thirty-four million, one thousand, two hundred nine".