2365818 has 48 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 622944.

The previous prime is 2365789. The next prime is 2365829. The reversal of 2365818 is 8185632.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3513 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (123690).

2^2365818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2365818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2365818 is an abundant number, since it is smaller than the sum of its proper divisors (3571302).

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

2365818 is a wasteful number, since it uses less digits than its factorization.

2365818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 644 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 2365818 is about 1538.1215816703. The cubic root of 2365818 is about 133.2479216870.

The spelling of 2365818 in words is "two million, three hundred sixty-five thousand, eight hundred eighteen".