2188924 has 12 divisors (see below), whose sum is σ = 3893848. Its totient is φ = 1076400.

The previous prime is 2188919. The next prime is 2188981. The reversal of 2188924 is 4298812.

2188924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2188924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242 + ... + 4729.

2^2188924 is an apocalyptic number.

It is an amenable number.

2188924 is a deficient number, since it is larger than the sum of its proper divisors (1704924).

2188924 is a wasteful number, since it uses less digits than its factorization.

2188924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036 (or 9034 counting only the distinct ones).

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

The square root of 2188924 is about 1479.5012673195. The cubic root of 2188924 is about 129.8405144805.

The spelling of 2188924 in words is "two million, one hundred eighty-eight thousand, nine hundred twenty-four".