34191009 has 12 divisors (see below), whose sum is σ = 49537956. Its totient is φ = 22724352.

The previous prime is 34190999. The next prime is 34191019. The reversal of 34191009 is 90019143.

It is an interprime number because it is at equal distance from previous prime (34190999) and next prime (34191019).

It can be written as a sum of positive squares in 2 ways, for example, as 8910225 + 25280784 = 2985^2 + 5028^2 .

It is not a de Polignac number, because 34191009 - 2⁴ = 34190993 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34191019) 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 11 ways as a sum of consecutive naturals, for example, 2604 + ... + 8669.

It is an arithmetic number, because the mean of its divisors is an integer number (4128163).

Almost surely, 2^34191009 is an apocalyptic number.

It is an amenable number.

34191009 is a deficient number, since it is larger than the sum of its proper divisors (15346947).

34191009 is a wasteful number, since it uses less digits than its factorization.

34191009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11616 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 34191009 is about 5847.3078420757. The cubic root of 34191009 is about 324.5667093778.

The spelling of 34191009 in words is "thirty-four million, one hundred ninety-one thousand, nine".