34031609 has 4 divisors (see below), whose sum is σ = 34043520. Its totient is φ = 34019700.

The previous prime is 34031581. The next prime is 34031611. The reversal of 34031609 is 90613043.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90613043 = 17 ⋅5330179.

It is a cyclic number.

It is not a de Polignac number, because 34031609 - 2²⁰ = 32983033 is a prime.

It is a super-2 number, since 2×34031609² = 2316300822257762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34036609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (8510880).

Almost surely, 2^34031609 is an apocalyptic number.

It is an amenable number.

34031609 is a deficient number, since it is larger than the sum of its proper divisors (11911).

34031609 is an equidigital number, since it uses as much as digits as its factorization.

34031609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 34031609 is about 5833.6617145666. The cubic root of 34031609 is about 324.0615420616.

The spelling of 34031609 in words is "thirty-four million, thirty-one thousand, six hundred nine".