9172039 has 2 divisors, whose sum is σ = 9172040. Its totient is φ = 9172038.

The previous prime is 9171997. The next prime is 9172043. The reversal of 9172039 is 9302719.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9172039 - 2⁹ = 9171527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9172039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9172049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586019 + 4586020.

It is an arithmetic number, because the mean of its divisors is an integer number (4586020).

Almost surely, 2^9172039 is an apocalyptic number.

9172039 is a deficient number, since it is larger than the sum of its proper divisors (1).

9172039 is an equidigital number, since it uses as much as digits as its factorization.

9172039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9172039 is about 3028.5374357931. The cubic root of 9172039 is about 209.3254166096.

The spelling of 9172039 in words is "nine million, one hundred seventy-two thousand, thirty-nine".