2143924 has 12 divisors (see below), whose sum is σ = 3762304. Its totient is φ = 1068984.

The previous prime is 2143909. The next prime is 2143943. The reversal of 2143924 is 4293412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 2869.

2^2143924 is an apocalyptic number.

It is an amenable number.

2143924 is a deficient number, since it is larger than the sum of its proper divisors (1618380).

2143924 is a wasteful number, since it uses less digits than its factorization.

2143924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2143924 is about 1464.2144651655. The cubic root of 2143924 is about 128.9445909103.

The spelling of 2143924 in words is "two million, one hundred forty-three thousand, nine hundred twenty-four".