2189524 has 12 divisors (see below), whose sum is σ = 3846304. Its totient is φ = 1090584.

The previous prime is 2189521. The next prime is 2189533. The reversal of 2189524 is 4259812.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189521) 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, 337 + ... + 2119.

2^2189524 is an apocalyptic number.

It is an amenable number.

2189524 is a deficient number, since it is larger than the sum of its proper divisors (1656780).

2189524 is a wasteful number, since it uses less digits than its factorization.

2189524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2092 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 2189524 is about 1479.7040244589. The cubic root of 2189524 is about 129.8523768067.

The spelling of 2189524 in words is "two million, one hundred eighty-nine thousand, five hundred twenty-four".