2189914 has 4 divisors (see below), whose sum is σ = 3284874. Its totient is φ = 1094956.

The previous prime is 2189881. The next prime is 2189939. The reversal of 2189914 is 4199812.

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., 1155625 + 1034289 = 1075^2 + 1017^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2189914.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547477 + ... + 547480.

2^2189914 is an apocalyptic number.

2189914 is a deficient number, since it is larger than the sum of its proper divisors (1094960).

2189914 is a wasteful number, since it uses less digits than its factorization.

2189914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094959.

The product of its digits is 5184, while the sum is 34.

The square root of 2189914 is about 1479.8358017023. The cubic root of 2189914 is about 129.8600861567.

The spelling of 2189914 in words is "two million, one hundred eighty-nine thousand, nine hundred fourteen".