6853887 has 6 divisors (see below), whose sum is σ = 9900072. Its totient is φ = 4569252.

The previous prime is 6853879. The next prime is 6853901. The reversal of 6853887 is 7883586.

It is not a de Polignac number, because 6853887 - 2³ = 6853879 is a prime.

6853887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380763 + ... + 380780.

It is an arithmetic number, because the mean of its divisors is an integer number (1650012).

Almost surely, 2^6853887 is an apocalyptic number.

6853887 is a deficient number, since it is larger than the sum of its proper divisors (3046185).

6853887 is a wasteful number, since it uses less digits than its factorization.

6853887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761549 (or 761546 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 6853887 is about 2617.9929335275. The cubic root of 6853887 is about 189.9527768143.

The spelling of 6853887 in words is "six million, eight hundred fifty-three thousand, eight hundred eighty-seven".