2013843 has 8 divisors (see below), whose sum is σ = 2891728. Its totient is φ = 1239264.

The previous prime is 2013833. The next prime is 2013859. The reversal of 2013843 is 3483102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013843 - 2⁶ = 2013779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25780 + ... + 25857.

It is an arithmetic number, because the mean of its divisors is an integer number (361466).

2^2013843 is an apocalyptic number.

2013843 is a deficient number, since it is larger than the sum of its proper divisors (877885).

2013843 is a wasteful number, since it uses less digits than its factorization.

2013843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51653.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2013843 is about 1419.0993622717. The cubic root of 2013843 is about 126.2821216832.

Adding to 2013843 its reverse (3483102), we get a palindrome (5496945).

The spelling of 2013843 in words is "two million, thirteen thousand, eight hundred forty-three".