3813365 has 8 divisors (see below), whose sum is σ = 4618680. Its totient is φ = 3022272.

The previous prime is 3813353. The next prime is 3813379. The reversal of 3813365 is 5633183.

It can be written as a sum of positive squares in 4 ways, for example, as 401956 + 3411409 = 634^2 + 1847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3813365 - 2⁴ = 3813349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (577335).

Almost surely, 2^3813365 is an apocalyptic number.

It is an amenable number.

3813365 is a deficient number, since it is larger than the sum of its proper divisors (805315).

3813365 is a wasteful number, since it uses less digits than its factorization.

3813365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111.

The product of its digits is 6480, while the sum is 29.

The square root of 3813365 is about 1952.7839102164. The cubic root of 3813365 is about 156.2318080153.

The spelling of 3813365 in words is "three million, eight hundred thirteen thousand, three hundred sixty-five".