6993347 has 4 divisors (see below), whose sum is σ = 7000056. Its totient is φ = 6986640.

The previous prime is 6993323. The next prime is 6993367. The reversal of 6993347 is 7433996.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6993347 is a prime.

It is a super-3 number, since 3×6993347³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6993367) 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 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (1750014).

Almost surely, 2^6993347 is an apocalyptic number.

6993347 is a deficient number, since it is larger than the sum of its proper divisors (6709).

6993347 is a wasteful number, since it uses less digits than its factorization.

6993347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708.

The product of its digits is 122472, while the sum is 41.

The square root of 6993347 is about 2644.4937133599. The cubic root of 6993347 is about 191.2324955856.

The spelling of 6993347 in words is "six million, nine hundred ninety-three thousand, three hundred forty-seven".