6993443 has 4 divisors (see below), whose sum is σ = 7404840. Its totient is φ = 6582048.

The previous prime is 6993421. The next prime is 6993451. The reversal of 6993443 is 3443996.

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 6993443 - 2⁸ = 6993187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6993397 and 6993406.

It is not an unprimeable number, because it can be changed into a prime (6993043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205673 + ... + 205706.

It is an arithmetic number, because the mean of its divisors is an integer number (1851210).

Almost surely, 2^6993443 is an apocalyptic number.

6993443 is a deficient number, since it is larger than the sum of its proper divisors (411397).

6993443 is a wasteful number, since it uses less digits than its factorization.

6993443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411396.

The product of its digits is 69984, while the sum is 38.

The square root of 6993443 is about 2644.5118642199. The cubic root of 6993443 is about 191.2333706190.

The spelling of 6993443 in words is "six million, nine hundred ninety-three thousand, four hundred forty-three".