3621365 has 8 divisors (see below), whose sum is σ = 4740768. Its totient is φ = 2633680.

The previous prime is 3621353. The next prime is 3621379. The reversal of 3621365 is 5631263.

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

It is not a de Polignac number, because 3621365 - 2¹² = 3617269 is a prime.

It is a super-2 number, since 2×3621365² = 26228568926450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 32867 + ... + 32976.

It is an arithmetic number, because the mean of its divisors is an integer number (592596).

Almost surely, 2^3621365 is an apocalyptic number.

It is an amenable number.

3621365 is a deficient number, since it is larger than the sum of its proper divisors (1119403).

3621365 is a wasteful number, since it uses less digits than its factorization.

3621365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65859.

The product of its digits is 3240, while the sum is 26.

The square root of 3621365 is about 1902.9884392712. The cubic root of 3621365 is about 153.5644775756.

The spelling of 3621365 in words is "three million, six hundred twenty-one thousand, three hundred sixty-five".