2388320 has 96 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 816640.

The previous prime is 2388317. The next prime is 2388329. The reversal of 2388320 is 238832.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2388320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388329) 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, 40451 + ... + 40509.

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

2^2388320 is an apocalyptic number.

2388320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2388320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265920).

2388320 is an abundant number, since it is smaller than the sum of its proper divisors (4143520).

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

2388320 is a wasteful number, since it uses less digits than its factorization.

2388320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2388320 is about 1545.4190370252. The cubic root of 2388320 is about 133.6690429225.

It can be divided in two parts, 238 and 8320, that added together give a palindrome (8558).

The spelling of 2388320 in words is "two million, three hundred eighty-eight thousand, three hundred twenty".