6940443 has 8 divisors (see below), whose sum is σ = 9451008. Its totient is φ = 4528424.

The previous prime is 6940441. The next prime is 6940477. The reversal of 6940443 is 3440496.

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

It is a cyclic number.

It is not a de Polignac number, because 6940443 - 2¹ = 6940441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6940443.

It is not an unprimeable number, because it can be changed into a prime (6940441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24471 + ... + 24752.

It is an arithmetic number, because the mean of its divisors is an integer number (1181376).

Almost surely, 2^6940443 is an apocalyptic number.

6940443 is a deficient number, since it is larger than the sum of its proper divisors (2510565).

6940443 is a wasteful number, since it uses less digits than its factorization.

6940443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49273.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6940443 is about 2634.4720533724. The cubic root of 6940443 is about 190.7490559682.

The spelling of 6940443 in words is "six million, nine hundred forty thousand, four hundred forty-three".