2143792 has 20 divisors (see below), whose sum is σ = 4747216. Its totient is φ = 918720.

The previous prime is 2143763. The next prime is 2143793. The reversal of 2143792 is 2973412.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2143792.

It is not an unprimeable number, because it can be changed into a prime (2143793) 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, 9459 + ... + 9682.

2^2143792 is an apocalyptic number.

It is an amenable number.

2143792 is an abundant number, since it is smaller than the sum of its proper divisors (2603424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143792 is a wasteful number, since it uses less digits than its factorization.

2143792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19156 (or 19150 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2143792 is about 1464.1693891077. The cubic root of 2143792 is about 128.9419445113.

The spelling of 2143792 in words is "two million, one hundred forty-three thousand, seven hundred ninety-two".