6888998 has 4 divisors (see below), whose sum is σ = 10333500. Its totient is φ = 3444498.

The previous prime is 6888997. The next prime is 6889009. The reversal of 6888998 is 8998886.

6888998 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888997) 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, 1722248 + ... + 1722251.

It is an arithmetic number, because the mean of its divisors is an integer number (2583375).

Almost surely, 2^6888998 is an apocalyptic number.

6888998 is a deficient number, since it is larger than the sum of its proper divisors (3444502).

6888998 is a wasteful number, since it uses less digits than its factorization.

6888998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444501.

The product of its digits is 1990656, while the sum is 56.

The square root of 6888998 is about 2624.6900769424. The cubic root of 6888998 is about 190.2765870141.

The spelling of 6888998 in words is "six million, eight hundred eighty-eight thousand, nine hundred ninety-eight".