2190884 has 12 divisors (see below), whose sum is σ = 3846108. Its totient is φ = 1092000.

The previous prime is 2190857. The next prime is 2190887. The reversal of 2190884 is 4880912.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6400 + 2184484 = 80^2 + 1478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2190884.

It is not an unprimeable number, because it can be changed into a prime (2190887) 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, 1034 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (320509).

2^2190884 is an apocalyptic number.

It is an amenable number.

2190884 is a deficient number, since it is larger than the sum of its proper divisors (1655224).

2190884 is a wasteful number, since it uses less digits than its factorization.

2190884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2190884 is about 1480.1635044819. The cubic root of 2190884 is about 129.8792567253.

The spelling of 2190884 in words is "two million, one hundred ninety thousand, eight hundred eighty-four".