9172349 has 2 divisors, whose sum is σ = 9172350. Its totient is φ = 9172348.

The previous prime is 9172343. The next prime is 9172351. The reversal of 9172349 is 9432719.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5968249 + 3204100 = 2443^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 9172349 - 2¹⁶ = 9106813 is a prime.

It is a Sophie Germain prime.

Together with 9172351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9172343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586174 + 4586175.

It is an arithmetic number, because the mean of its divisors is an integer number (4586175).

Almost surely, 2^9172349 is an apocalyptic number.

It is an amenable number.

9172349 is a deficient number, since it is larger than the sum of its proper divisors (1).

9172349 is an equidigital number, since it uses as much as digits as its factorization.

9172349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 9172349 is about 3028.5886151803. The cubic root of 9172349 is about 209.3277748692.

The spelling of 9172349 in words is "nine million, one hundred seventy-two thousand, three hundred forty-nine".