2318790 has 32 divisors (see below), whose sum is σ = 5718240. Its totient is φ = 601344.

The previous prime is 2318777. The next prime is 2318801. The reversal of 2318790 is 978132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 66 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (178695).

2^2318790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2318790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2859120).

2318790 is an abundant number, since it is smaller than the sum of its proper divisors (3399450).

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

2318790 is a wasteful number, since it uses less digits than its factorization.

2318790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2318790 is about 1522.7573674095. The cubic root of 2318790 is about 132.3591002508.

The spelling of 2318790 in words is "two million, three hundred eighteen thousand, seven hundred ninety".