6596991 has 8 divisors (see below), whose sum is σ = 9773360. Its totient is φ = 4397976.

The previous prime is 6596987. The next prime is 6596999. The reversal of 6596991 is 1996956.

It is not a de Polignac number, because 6596991 - 2² = 6596987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6596999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122140 + ... + 122193.

It is an arithmetic number, because the mean of its divisors is an integer number (1221670).

Almost surely, 2^6596991 is an apocalyptic number.

6596991 is a deficient number, since it is larger than the sum of its proper divisors (3176369).

6596991 is a wasteful number, since it uses less digits than its factorization.

6596991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244342 (or 244336 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 6596991 is about 2568.4608231390. The cubic root of 6596991 is about 187.5492350704.

The spelling of 6596991 in words is "six million, five hundred ninety-six thousand, nine hundred ninety-one".