6682993 has 4 divisors (see below), whose sum is σ = 6688240. Its totient is φ = 6677748.

The previous prime is 6682969. The next prime is 6682999. The reversal of 6682993 is 3992866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6682993 - 2⁵ = 6682961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6682999) 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, 646 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (1672060).

Almost surely, 2^6682993 is an apocalyptic number.

It is an amenable number.

6682993 is a deficient number, since it is larger than the sum of its proper divisors (5247).

6682993 is a wasteful number, since it uses less digits than its factorization.

6682993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246.

The product of its digits is 139968, while the sum is 43.

The square root of 6682993 is about 2585.1485450550. The cubic root of 6682993 is about 188.3607172092.

The spelling of 6682993 in words is "six million, six hundred eighty-two thousand, nine hundred ninety-three".