6873856 has 36 divisors (see below), whose sum is σ = 14974344. Its totient is φ = 3123200.

The previous prime is 6873833. The next prime is 6873863. The reversal of 6873856 is 6583786.

6873856 = T₄₂₃ + T₄₂₄ + ... + T₄₈₈.

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, 1596 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (415954).

Almost surely, 2^6873856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6873856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7487172).

6873856 is an abundant number, since it is smaller than the sum of its proper divisors (8100488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6873856 is a wasteful number, since it uses less digits than its factorization.

6873856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2454 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 6873856 is about 2621.8039591091. The cubic root of 6873856 is about 190.1370755982.

The spelling of 6873856 in words is "six million, eight hundred seventy-three thousand, eight hundred fifty-six".