2188492 has 12 divisors (see below), whose sum is σ = 3849496. Its totient is φ = 1088640.

The previous prime is 2188489. The next prime is 2188493. The reversal of 2188492 is 2948812.

It is not an unprimeable number, because it can be changed into a prime (2188493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 2140.

2^2188492 is an apocalyptic number.

It is an amenable number.

2188492 is a deficient number, since it is larger than the sum of its proper divisors (1661004).

2188492 is a wasteful number, since it uses less digits than its factorization.

2188492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2806 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 2188492 is about 1479.3552649719. The cubic root of 2188492 is about 129.8319722633.

The spelling of 2188492 in words is "two million, one hundred eighty-eight thousand, four hundred ninety-two".