6905855 has 16 divisors (see below), whose sum is σ = 9095328. Its totient is φ = 4992000.

The previous prime is 6905837. The next prime is 6905863. The reversal of 6905855 is 5585096.

It is not a de Polignac number, because 6905855 - 2¹⁰ = 6904831 is a prime.

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, 12995 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (568458).

Almost surely, 2^6905855 is an apocalyptic number.

6905855 is a deficient number, since it is larger than the sum of its proper divisors (2189473).

6905855 is a wasteful number, since it uses less digits than its factorization.

6905855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 6905855 is about 2627.8993511929. The cubic root of 6905855 is about 190.4316593866.

The spelling of 6905855 in words is "six million, nine hundred five thousand, eight hundred fifty-five".