2189338 has 4 divisors (see below), whose sum is σ = 3284010. Its totient is φ = 1094668.

The previous prime is 2189333. The next prime is 2189339. The reversal of 2189338 is 8339812.

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

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 37249 = 1467^2 + 193^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2189333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547333 + ... + 547336.

2^2189338 is an apocalyptic number.

2189338 is a deficient number, since it is larger than the sum of its proper divisors (1094672).

2189338 is a wasteful number, since it uses less digits than its factorization.

2189338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094671.

The product of its digits is 10368, while the sum is 34.

The square root of 2189338 is about 1479.6411727172. The cubic root of 2189338 is about 129.8486997174.

The spelling of 2189338 in words is "two million, one hundred eighty-nine thousand, three hundred thirty-eight".