2189030 has 16 divisors (see below), whose sum is σ = 3957120. Its totient is φ = 871872.

The previous prime is 2189029. The next prime is 2189053. The reversal of 2189030 is 309812.

2189030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2188987 and 2189005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

2^2189030 is an apocalyptic number.

2189030 is a deficient number, since it is larger than the sum of its proper divisors (1768090).

2189030 is a wasteful number, since it uses less digits than its factorization.

2189030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2189030 is about 1479.5370897683. The cubic root of 2189030 is about 129.8426103158.

The spelling of 2189030 in words is "two million, one hundred eighty-nine thousand, thirty".