4989173 has 4 divisors (see below), whose sum is σ = 5701920. Its totient is φ = 4276428.

The previous prime is 4989169. The next prime is 4989181. The reversal of 4989173 is 3719894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4989173 - 2² = 4989169 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4989173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989113) 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, 356363 + ... + 356376.

It is an arithmetic number, because the mean of its divisors is an integer number (1425480).

Almost surely, 2^4989173 is an apocalyptic number.

It is an amenable number.

4989173 is a deficient number, since it is larger than the sum of its proper divisors (712747).

4989173 is an equidigital number, since it uses as much as digits as its factorization.

4989173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712746.

The product of its digits is 54432, while the sum is 41.

The square root of 4989173 is about 2233.6456746763. The cubic root of 4989173 is about 170.8740794076.

The spelling of 4989173 in words is "four million, nine hundred eighty-nine thousand, one hundred seventy-three".