3581365 has 8 divisors (see below), whose sum is σ = 4314528. Its totient is φ = 2853840.

The previous prime is 3581363. The next prime is 3581377. The reversal of 3581365 is 5631853.

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

It is not a de Polignac number, because 3581365 - 2¹ = 3581363 is a prime.

It is a Duffinian number.

3581365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581363) 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 7 ways as a sum of consecutive naturals, for example, 150 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (539316).

Almost surely, 2^3581365 is an apocalyptic number.

It is an amenable number.

3581365 is a deficient number, since it is larger than the sum of its proper divisors (733163).

3581365 is a wasteful number, since it uses less digits than its factorization.

3581365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its digits is 10800, while the sum is 31.

The square root of 3581365 is about 1892.4494709239. The cubic root of 3581365 is about 152.9969811585.

The spelling of 3581365 in words is "three million, five hundred eighty-one thousand, three hundred sixty-five".