6940043 has 8 divisors (see below), whose sum is σ = 7900416. Its totient is φ = 6034600.

The previous prime is 6940033. The next prime is 6940049. The reversal of 6940043 is 3400496.

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

It is not a de Polignac number, because 6940043 - 2⁴ = 6940027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6939994 and 6940021.

It is not an unprimeable number, because it can be changed into a prime (6940049) 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, 13463 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (987552).

Almost surely, 2^6940043 is an apocalyptic number.

6940043 is a deficient number, since it is larger than the sum of its proper divisors (960373).

6940043 is a wasteful number, since it uses less digits than its factorization.

6940043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27465.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6940043 is about 2634.3961357396. The cubic root of 6940043 is about 190.7453914044.

It can be divided in two parts, 6 and 940043, that added together give a palindrome (940049).

The spelling of 6940043 in words is "six million, nine hundred forty thousand, forty-three".