2043560 has 32 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 799296.

The previous prime is 2043541. The next prime is 2043571. The reversal of 2043560 is 653402.

It is a super-2 number, since 2×2043560² = 8352274947200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^2043560 is an apocalyptic number.

2043560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350080).

2043560 is an abundant number, since it is smaller than the sum of its proper divisors (2656600).

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

2043560 is a wasteful number, since it uses less digits than its factorization.

2043560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2043560 is about 1429.5313917505. The cubic root of 2043560 is about 126.9002461348.

Adding to 2043560 its reverse (653402), we get a palindrome (2696962).

The spelling of 2043560 in words is "two million, forty-three thousand, five hundred sixty".