2118030 has 32 divisors (see below), whose sum is σ = 5383584. Its totient is φ = 531456.

The previous prime is 2118029. The next prime is 2118031. The reversal of 2118030 is 308112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2118029) and next prime (2118031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (168237).

2^2118030 is an apocalyptic number.

2118030 is an abundant number, since it is smaller than the sum of its proper divisors (3265554).

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

2118030 is a wasteful number, since it uses less digits than its factorization.

2118030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2118030 is about 1455.3453198468. The cubic root of 2118030 is about 128.4233621760.

The spelling of 2118030 in words is "two million, one hundred eighteen thousand, thirty".