6888961 has 8 divisors (see below), whose sum is σ = 7323264. Its totient is φ = 6457920.

The previous prime is 6888953. The next prime is 6888967. The reversal of 6888961 is 1698886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6888961 - 2³ = 6888953 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6888967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4636 + ... + 5938.

It is an arithmetic number, because the mean of its divisors is an integer number (915408).

Almost surely, 2^6888961 is an apocalyptic number.

It is an amenable number.

6888961 is a deficient number, since it is larger than the sum of its proper divisors (434303).

6888961 is a wasteful number, since it uses less digits than its factorization.

6888961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its digits is 165888, while the sum is 46.

The square root of 6888961 is about 2624.6830284817. The cubic root of 6888961 is about 190.2762463624.

The spelling of 6888961 in words is "six million, eight hundred eighty-eight thousand, nine hundred sixty-one".