2538018 has 24 divisors (see below), whose sum is σ = 6284928. Its totient is φ = 725112.

The previous prime is 2538017. The next prime is 2538031. The reversal of 2538018 is 8108352.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2537982 and 2538000.

It is not an unprimeable number, because it can be changed into a prime (2538017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9946 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (261872).

2^2538018 is an apocalyptic number.

2538018 is an abundant number, since it is smaller than the sum of its proper divisors (3746910).

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

2538018 is a wasteful number, since it uses less digits than its factorization.

2538018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20158 (or 20155 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2538018 is about 1593.1158149990. The cubic root of 2538018 is about 136.4054007832.

The spelling of 2538018 in words is "two million, five hundred thirty-eight thousand, eighteen".