6597987 has 16 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 3824480.

The previous prime is 6597977. The next prime is 6598013. The reversal of 6597987 is 7897956.

6597987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6597987 - 2⁴ = 6597971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6597967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3588 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (625968).

Almost surely, 2^6597987 is an apocalyptic number.

6597987 is a deficient number, since it is larger than the sum of its proper divisors (3417501).

6597987 is a wasteful number, since it uses less digits than its factorization.

6597987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its digits is 952560, while the sum is 51.

The square root of 6597987 is about 2568.6547062616. The cubic root of 6597987 is about 187.5586731934.

It can be divided in two parts, 65979 and 87, that added together give a palindrome (66066).

The spelling of 6597987 in words is "six million, five hundred ninety-seven thousand, nine hundred eighty-seven".