6888005 has 4 divisors (see below), whose sum is σ = 8265612. Its totient is φ = 5510400.

The previous prime is 6887953. The next prime is 6888019. The reversal of 6888005 is 5008886.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 3319684 = 1889^2 + 1822^2 .

It is not a de Polignac number, because 6888005 - 2¹⁰ = 6886981 is a prime.

It is a super-2 number, since 2×6888005² = 94889225760050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688796 + ... + 688805.

It is an arithmetic number, because the mean of its divisors is an integer number (2066403).

Almost surely, 2^6888005 is an apocalyptic number.

It is an amenable number.

6888005 is a deficient number, since it is larger than the sum of its proper divisors (1377607).

6888005 is a wasteful number, since it uses less digits than its factorization.

6888005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377606.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 6888005 is about 2624.5009049341. The cubic root of 6888005 is about 190.2674442365.

It can be divided in two parts, 688800 and 5, that multiplied together give a triangular number (3444000 = T₂₆₂₄).

The spelling of 6888005 in words is "six million, eight hundred eighty-eight thousand, five".