6858881 has 4 divisors (see below), whose sum is σ = 6870192. Its totient is φ = 6847572.

The previous prime is 6858869. The next prime is 6858913. The reversal of 6858881 is 1888586.

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 a cyclic number.

It is not a de Polignac number, because 6858881 - 2¹⁴ = 6842497 is a prime.

It is a super-2 number, since 2×6858881² = 94088497144322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6858581) 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, 4691 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1717548).

Almost surely, 2^6858881 is an apocalyptic number.

It is an amenable number.

6858881 is a deficient number, since it is larger than the sum of its proper divisors (11311).

6858881 is a wasteful number, since it uses less digits than its factorization.

6858881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310.

The product of its digits is 122880, while the sum is 44.

The square root of 6858881 is about 2618.9465439371. The cubic root of 6858881 is about 189.9989011940.

The spelling of 6858881 in words is "six million, eight hundred fifty-eight thousand, eight hundred eighty-one".