34216009 has 4 divisors (see below), whose sum is σ = 35140804. Its totient is φ = 33291216.

The previous prime is 34216001. The next prime is 34216067. The reversal of 34216009 is 90061243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31393609 + 2822400 = 5603^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 34216009 - 2³ = 34216001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34216001) 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, 462342 + ... + 462415.

It is an arithmetic number, because the mean of its divisors is an integer number (8785201).

Almost surely, 2^34216009 is an apocalyptic number.

It is an amenable number.

34216009 is a deficient number, since it is larger than the sum of its proper divisors (924795).

34216009 is an equidigital number, since it uses as much as digits as its factorization.

34216009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924794.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 34216009 is about 5849.4451873661. The cubic root of 34216009 is about 324.6457963573.

The spelling of 34216009 in words is "thirty-four million, two hundred sixteen thousand, nine".