6873855 has 16 divisors (see below), whose sum is σ = 11267424. Its totient is φ = 3576320.

The previous prime is 6873833. The next prime is 6873863. The reversal of 6873855 is 5583786.

It is not a de Polignac number, because 6873855 - 2⁶ = 6873791 is a prime.

It is a super-2 number, since 2×6873855² = 94499765122050, which contains 22 as substring.

6873855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (704214).

Almost surely, 2^6873855 is an apocalyptic number.

6873855 is a deficient number, since it is larger than the sum of its proper divisors (4393569).

6873855 is a wasteful number, since it uses less digits than its factorization.

6873855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226.

The product of its digits is 201600, while the sum is 42.

The square root of 6873855 is about 2621.8037684007. The cubic root of 6873855 is about 190.1370663779.

The spelling of 6873855 in words is "six million, eight hundred seventy-three thousand, eight hundred fifty-five".