2018685 has 16 divisors (see below), whose sum is σ = 3286080. Its totient is φ = 1057920.

The previous prime is 2018677. The next prime is 2018713. The reversal of 2018685 is 5868102.

It is not a de Polignac number, because 2018685 - 2³ = 2018677 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, 256 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (205380).

2^2018685 is an apocalyptic number.

It is an amenable number.

2018685 is a deficient number, since it is larger than the sum of its proper divisors (1267395).

2018685 is a wasteful number, since it uses less digits than its factorization.

2018685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2018685 is about 1420.8043496555. The cubic root of 2018685 is about 126.3832498300.

The spelling of 2018685 in words is "two million, eighteen thousand, six hundred eighty-five".