2043312 has 20 divisors (see below), whose sum is σ = 5278680. Its totient is φ = 681088.

The previous prime is 2043289. The next prime is 2043313. The reversal of 2043312 is 2133402.

It is a junction number, because it is equal to n+sod(n) for n = 2043291 and 2043300.

It is not an unprimeable number, because it can be changed into a prime (2043313) 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, 21237 + ... + 21332.

It is an arithmetic number, because the mean of its divisors is an integer number (263934).

2^2043312 is an apocalyptic number.

It is an amenable number.

2043312 is an abundant number, since it is smaller than the sum of its proper divisors (3235368).

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

2043312 is a wasteful number, since it uses less digits than its factorization.

2043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42580 (or 42574 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2043312 is about 1429.4446474068. Note that the first 3 decimals coincide. The cubic root of 2043312 is about 126.8951125225.

Adding to 2043312 its reverse (2133402), we get a palindrome (4176714).

The spelling of 2043312 in words is "two million, forty-three thousand, three hundred twelve".