2173449 has 8 divisors (see below), whose sum is σ = 2910240. Its totient is φ = 1442816.

The previous prime is 2173447. The next prime is 2173453. The reversal of 2173449 is 9443712.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2173449 - 2¹ = 2173447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2173447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (363780).

2^2173449 is an apocalyptic number.

It is an amenable number.

2173449 is a deficient number, since it is larger than the sum of its proper divisors (736791).

2173449 is a wasteful number, since it uses less digits than its factorization.

2173449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its digits is 6048, while the sum is 30.

The square root of 2173449 is about 1474.2621883505. The cubic root of 2173449 is about 129.5338134647.

The spelling of 2173449 in words is "two million, one hundred seventy-three thousand, four hundred forty-nine".