6994943 has 4 divisors (see below), whose sum is σ = 7006968. Its totient is φ = 6982920.

The previous prime is 6994927. The next prime is 6994951. The reversal of 6994943 is 3494996.

It is a happy number.

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 6994943 - 2⁴ = 6994927 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 6994894 and 6994903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6994903) 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, 5093 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (1751742).

Almost surely, 2^6994943 is an apocalyptic number.

6994943 is a deficient number, since it is larger than the sum of its proper divisors (12025).

6994943 is a wasteful number, since it uses less digits than its factorization.

6994943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12024.

The product of its digits is 209952, while the sum is 44.

The square root of 6994943 is about 2644.7954552290. The cubic root of 6994943 is about 191.2470419751.

The spelling of 6994943 in words is "six million, nine hundred ninety-four thousand, nine hundred forty-three".