6986993 has 8 divisors (see below), whose sum is σ = 7596288. Its totient is φ = 6387984.

The previous prime is 6986981. The next prime is 6987031. The reversal of 6986993 is 3996896.

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 6986993 - 2⁴ = 6986977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6986093) 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, 1121 + ... + 3902.

It is an arithmetic number, because the mean of its divisors is an integer number (949536).

Almost surely, 2^6986993 is an apocalyptic number.

It is an amenable number.

6986993 is a deficient number, since it is larger than the sum of its proper divisors (609295).

6986993 is a wasteful number, since it uses less digits than its factorization.

6986993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its digits is 629856, while the sum is 50.

The square root of 6986993 is about 2643.2920761808. The cubic root of 6986993 is about 191.1745615013.

The spelling of 6986993 in words is "six million, nine hundred eighty-six thousand, nine hundred ninety-three".