2118285 has 64 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 967680.

The previous prime is 2118283. The next prime is 2118299. The reversal of 2118285 is 5828112.

It is not a de Polignac number, because 2118285 - 2¹ = 2118283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29800 + ... + 29870.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^2118285 is an apocalyptic number.

It is an amenable number.

2118285 is an abundant number, since it is smaller than the sum of its proper divisors (2236275).

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

2118285 is a wasteful number, since it uses less digits than its factorization.

2118285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 109 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2118285 is about 1455.4329252837. The cubic root of 2118285 is about 128.4285158082.

The spelling of 2118285 in words is "two million, one hundred eighteen thousand, two hundred eighty-five".