6993944 has 16 divisors (see below), whose sum is σ = 13434120. Its totient is φ = 3411520.

The previous prime is 6993937. The next prime is 6993979. The reversal of 6993944 is 4493996.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6993895 and 6993904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10334 + ... + 10989.

Almost surely, 2^6993944 is an apocalyptic number.

It is an amenable number.

6993944 is a deficient number, since it is larger than the sum of its proper divisors (6440176).

6993944 is a wasteful number, since it uses less digits than its factorization.

6993944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21370 (or 21366 counting only the distinct ones).

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

The square root of 6993944 is about 2644.6065869993. The cubic root of 6993944 is about 191.2379370693.

The spelling of 6993944 in words is "six million, nine hundred ninety-three thousand, nine hundred forty-four".