2072843 has 4 divisors (see below), whose sum is σ = 2181960. Its totient is φ = 1963728.

The previous prime is 2072839. The next prime is 2072869. The reversal of 2072843 is 3482702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3482702 = 2 ⋅1741351.

It is a cyclic number.

It is not a de Polignac number, because 2072843 - 2² = 2072839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2072893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54530 + ... + 54567.

It is an arithmetic number, because the mean of its divisors is an integer number (545490).

2^2072843 is an apocalyptic number.

2072843 is a deficient number, since it is larger than the sum of its proper divisors (109117).

2072843 is a wasteful number, since it uses less digits than its factorization.

2072843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109116.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2072843 is about 1439.7371287843. The cubic root of 2072843 is about 127.5035088103.

The spelling of 2072843 in words is "two million, seventy-two thousand, eight hundred forty-three".