6888997 has 2 divisors, whose sum is σ = 6888998. Its totient is φ = 6888996.

The previous prime is 6888989. The next prime is 6889009. The reversal of 6888997 is 7998886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6687396 + 201601 = 2586^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 6888997 - 2³ = 6888989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6888967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444498 + 3444499.

It is an arithmetic number, because the mean of its divisors is an integer number (3444499).

Almost surely, 2^6888997 is an apocalyptic number.

It is an amenable number.

6888997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6888997 is an equidigital number, since it uses as much as digits as its factorization.

6888997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 55.

The square root of 6888997 is about 2624.6898864437. The cubic root of 6888997 is about 190.2765778073.

It can be divided in two parts, 68889 and 97, that added together give a palindrome (68986).

The spelling of 6888997 in words is "six million, eight hundred eighty-eight thousand, nine hundred ninety-seven".