2189038 has 4 divisors (see below), whose sum is σ = 3283560. Its totient is φ = 1094518.

The previous prime is 2189029. The next prime is 2189053. The reversal of 2189038 is 8309812.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547258 + ... + 547261.

It is an arithmetic number, because the mean of its divisors is an integer number (820890).

2^2189038 is an apocalyptic number.

2189038 is a deficient number, since it is larger than the sum of its proper divisors (1094522).

2189038 is a wasteful number, since it uses less digits than its factorization.

2189038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094521.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2189038 is about 1479.5397933141. The cubic root of 2189038 is about 129.8427684893.

The spelling of 2189038 in words is "two million, one hundred eighty-nine thousand, thirty-eight".