6888081 has 4 divisors (see below), whose sum is σ = 9184112. Its totient is φ = 4592052.

The previous prime is 6888053. The next prime is 6888097. The reversal of 6888081 is 1808886.

It is a happy number.

6888081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 6888081 - 2⁷ = 6887953 is a prime.

It is a super-2 number, since 2×6888081² = 94891319725122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6881081) 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, 1148011 + ... + 1148016.

It is an arithmetic number, because the mean of its divisors is an integer number (2296028).

Almost surely, 2^6888081 is an apocalyptic number.

It is an amenable number.

6888081 is a deficient number, since it is larger than the sum of its proper divisors (2296031).

6888081 is a wasteful number, since it uses less digits than its factorization.

6888081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296030.

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 6888081 is about 2624.5153838376. The cubic root of 6888081 is about 190.2681440169.

The spelling of 6888081 in words is "six million, eight hundred eighty-eight thousand, eighty-one".