6885618 has 16 divisors (see below), whose sum is σ = 13814496. Its totient is φ = 2288000.

The previous prime is 6885617. The next prime is 6885623. The reversal of 6885618 is 8165886.

It is a self number, because there is not a number n which added to its sum of digits gives 6885618.

It is not an unprimeable number, because it can be changed into a prime (6885617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (863406).

Almost surely, 2^6885618 is an apocalyptic number.

6885618 is an abundant number, since it is smaller than the sum of its proper divisors (6928878).

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

6885618 is a wasteful number, since it uses less digits than its factorization.

6885618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its digits is 92160, while the sum is 42.

The square root of 6885618 is about 2624.0461123997. The cubic root of 6885618 is about 190.2454629873.

It can be divided in two parts, 6885 and 618, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 6885618 in words is "six million, eight hundred eighty-five thousand, six hundred eighteen".