2928189 has 16 divisors (see below), whose sum is σ = 4311360. Its totient is φ = 1752960.

The previous prime is 2928181. The next prime is 2928203. The reversal of 2928189 is 9818292.

It is not a de Polignac number, because 2928189 - 2³ = 2928181 is a prime.

It is a Curzon number.

2928189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928181) 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 15 ways as a sum of consecutive naturals, for example, 2439 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (269460).

2^2928189 is an apocalyptic number.

It is an amenable number.

2928189 is a deficient number, since it is larger than the sum of its proper divisors (1383171).

2928189 is a wasteful number, since it uses less digits than its factorization.

2928189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 20736, while the sum is 39.

The square root of 2928189 is about 1711.1951963467. The cubic root of 2928189 is about 143.0648800086.

It can be divided in two parts, 292818 and 9, that multiplied together give a palindrome (2635362).

The spelling of 2928189 in words is "two million, nine hundred twenty-eight thousand, one hundred eighty-nine".