6861884 has 6 divisors (see below), whose sum is σ = 12008304. Its totient is φ = 3430940.

The previous prime is 6861851. The next prime is 6861913. The reversal of 6861884 is 4881686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857732 + ... + 857739.

It is an arithmetic number, because the mean of its divisors is an integer number (2001384).

Almost surely, 2^6861884 is an apocalyptic number.

It is an amenable number.

6861884 is a deficient number, since it is larger than the sum of its proper divisors (5146420).

6861884 is a wasteful number, since it uses less digits than its factorization.

6861884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715475 (or 1715473 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 6861884 is about 2619.5198033227. The cubic root of 6861884 is about 190.0266260008.

The spelling of 6861884 in words is "six million, eight hundred sixty-one thousand, eight hundred eighty-four".