3818365 has 4 divisors (see below), whose sum is σ = 4582044. Its totient is φ = 3054688.

The previous prime is 3818359. The next prime is 3818369. The reversal of 3818365 is 5638183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 2125764 = 1301^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 3818365 - 2⁵ = 3818333 is a prime.

It is a super-3 number, since 3×3818365³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3818365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381832 + ... + 381841.

It is an arithmetic number, because the mean of its divisors is an integer number (1145511).

Almost surely, 2^3818365 is an apocalyptic number.

It is an amenable number.

3818365 is a deficient number, since it is larger than the sum of its proper divisors (763679).

3818365 is an equidigital number, since it uses as much as digits as its factorization.

3818365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763678.

The product of its digits is 17280, while the sum is 34.

The square root of 3818365 is about 1954.0637144167. The cubic root of 3818365 is about 156.3000607594.

The spelling of 3818365 in words is "three million, eight hundred eighteen thousand, three hundred sixty-five".