2318040 has 96 divisors (see below), whose sum is σ = 7750080. Its totient is φ = 600576.

The previous prime is 2318039. The next prime is 2318047. The reversal of 2318040 is 408132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16852 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (80730).

2^2318040 is an apocalyptic number.

2318040 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 2318040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3875040).

2318040 is an abundant number, since it is smaller than the sum of its proper divisors (5432040).

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

2318040 is a wasteful number, since it uses less digits than its factorization.

2318040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2318040 is about 1522.5110837035. The cubic root of 2318040 is about 132.3448284352.

It can be divided in two parts, 23180 and 40, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 2318040 in words is "two million, three hundred eighteen thousand, forty".