7940443 has 8 divisors (see below), whose sum is σ = 9123840. Its totient is φ = 6769320.

The previous prime is 7940437. The next prime is 7940447. The reversal of 7940443 is 3440497.

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 7940443 - 2⁹ = 7939931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7940447) 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, 1633 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (1140480).

Almost surely, 2^7940443 is an apocalyptic number.

7940443 is a deficient number, since it is larger than the sum of its proper divisors (1183397).

7940443 is a wasteful number, since it uses less digits than its factorization.

7940443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7940443 is about 2817.8791670332. The cubic root of 7940443 is about 199.5024549376.

The spelling of 7940443 in words is "seven million, nine hundred forty thousand, four hundred forty-three".