2188792 has 16 divisors (see below), whose sum is σ = 4143960. Its totient is φ = 1083744.

The previous prime is 2188789. The next prime is 2188799. The reversal of 2188792 is 2978812.

2188792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188799) by changing a digit.

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, 423 + ... + 2134.

2^2188792 is an apocalyptic number.

It is an amenable number.

2188792 is a deficient number, since it is larger than the sum of its proper divisors (1955168).

2188792 is a wasteful number, since it uses less digits than its factorization.

2188792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2666 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 2188792 is about 1479.4566570197. The cubic root of 2188792 is about 129.8379044778.

The spelling of 2188792 in words is "two million, one hundred eighty-eight thousand, seven hundred ninety-two".