2189532 has 24 divisors (see below), whose sum is σ = 5409936. Its totient is φ = 686848.

The previous prime is 2189521. The next prime is 2189533. The reversal of 2189532 is 2359812.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189533) 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, 5163 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (225414).

2^2189532 is an apocalyptic number.

It is an amenable number.

2189532 is an abundant number, since it is smaller than the sum of its proper divisors (3220404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2189532 is a wasteful number, since it uses less digits than its factorization.

2189532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757 (or 10755 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 2189532 is about 1479.7067276998. The cubic root of 2189532 is about 129.8525349564.

The spelling of 2189532 in words is "two million, one hundred eighty-nine thousand, five hundred thirty-two".