2189426 has 8 divisors (see below), whose sum is σ = 3333360. Its totient is φ = 1078308.

The previous prime is 2189419. The next prime is 2189459. The reversal of 2189426 is 6249812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2189392 and 2189401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (416670).

2^2189426 is an apocalyptic number.

2189426 is a deficient number, since it is larger than the sum of its proper divisors (1143934).

2189426 is a wasteful number, since it uses less digits than its factorization.

2189426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16408.

The product of its digits is 6912, while the sum is 32.

The square root of 2189426 is about 1479.6709093579. The cubic root of 2189426 is about 129.8504394415.

The spelling of 2189426 in words is "two million, one hundred eighty-nine thousand, four hundred twenty-six".