6881845 has 16 divisors (see below), whose sum is σ = 8824320. Its totient is φ = 5140800.

The previous prime is 6881843. The next prime is 6881851. The reversal of 6881845 is 5481886.

It is not a de Polignac number, because 6881845 - 2¹ = 6881843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6881798 and 6881807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (551520).

Almost surely, 2^6881845 is an apocalyptic number.

It is an amenable number.

6881845 is a deficient number, since it is larger than the sum of its proper divisors (1942475).

6881845 is a wasteful number, since it uses less digits than its factorization.

6881845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 61440, while the sum is 40.

The square root of 6881845 is about 2623.3270859731. The cubic root of 6881845 is about 190.2107080688.

The spelling of 6881845 in words is "six million, eight hundred eighty-one thousand, eight hundred forty-five".