3189723 has 4 divisors (see below), whose sum is σ = 4252968. Its totient is φ = 2126480.

The previous prime is 3189713. The next prime is 3189731. The reversal of 3189723 is 3279813.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3189723 - 2¹⁰ = 3188699 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3189713) 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 in 3 ways as a sum of consecutive naturals, for example, 531618 + ... + 531623.

It is an arithmetic number, because the mean of its divisors is an integer number (1063242).

Almost surely, 2^3189723 is an apocalyptic number.

3189723 is a deficient number, since it is larger than the sum of its proper divisors (1063245).

3189723 is a wasteful number, since it uses less digits than its factorization.

3189723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063244.

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

The square root of 3189723 is about 1785.9795631529. The cubic root of 3189723 is about 147.2033374667.

The spelling of 3189723 in words is "three million, one hundred eighty-nine thousand, seven hundred twenty-three".