2088918 has 48 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 628992.

The previous prime is 2088913. The next prime is 2088949. The reversal of 2088918 is 8198802.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18430 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

2^2088918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2088918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489760).

2088918 is an abundant number, since it is smaller than the sum of its proper divisors (2890602).

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

2088918 is a wasteful number, since it uses less digits than its factorization.

2088918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2088918 is about 1445.3089635092. The cubic root of 2088918 is about 127.8322591168.

Subtracting from 2088918 its product of nonzero digits (9216), we obtain a palindrome (2079702).

The spelling of 2088918 in words is "two million, eighty-eight thousand, nine hundred eighteen".