2143832 has 16 divisors (see below), whose sum is σ = 4066200. Its totient is φ = 1059520.

The previous prime is 2143831. The next prime is 2143837. The reversal of 2143832 is 2383412.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2143798 and 2143807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143831) 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, 794 + ... + 2217.

2^2143832 is an apocalyptic number.

It is an amenable number.

2143832 is a deficient number, since it is larger than the sum of its proper divisors (1922368).

2143832 is a wasteful number, since it uses less digits than its factorization.

2143832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3102 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2143832 is about 1464.1830486657. The cubic root of 2143832 is about 128.9427464618.

The spelling of 2143832 in words is "two million, one hundred forty-three thousand, eight hundred thirty-two".