2071843 has 4 divisors (see below), whose sum is σ = 2079448. Its totient is φ = 2064240.

The previous prime is 2071837. The next prime is 2071859. The reversal of 2071843 is 3481702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2071843 - 2¹³ = 2063651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071873) 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 3 ways as a sum of consecutive naturals, for example, 3378 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (519862).

2^2071843 is an apocalyptic number.

2071843 is a deficient number, since it is larger than the sum of its proper divisors (7605).

2071843 is an equidigital number, since it uses as much as digits as its factorization.

2071843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2071843 is about 1439.3898012700. The cubic root of 2071843 is about 127.4830017067.

It can be divided in two parts, 207 and 1843, that multiplied together give a triangular number (381501 = T₈₇₃).

The spelling of 2071843 in words is "two million, seventy-one thousand, eight hundred forty-three".