3128973 has 8 divisors (see below), whose sum is σ = 4219200. Its totient is φ = 2062368.

The previous prime is 3128941. The next prime is 3128987. The reversal of 3128973 is 3798213.

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

It is not a de Polignac number, because 3128973 - 2⁵ = 3128941 is a prime.

It is a Curzon number.

3128973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (527400).

Almost surely, 2^3128973 is an apocalyptic number.

It is an amenable number.

3128973 is a deficient number, since it is larger than the sum of its proper divisors (1090227).

3128973 is a wasteful number, since it uses less digits than its factorization.

3128973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11811.

The product of its digits is 9072, while the sum is 33.

The square root of 3128973 is about 1768.8903301222. The cubic root of 3128973 is about 146.2628186587.

The spelling of 3128973 in words is "three million, one hundred twenty-eight thousand, nine hundred seventy-three".