3621369 has 4 divisors (see below), whose sum is σ = 4828496. Its totient is φ = 2414244.

The previous prime is 3621353. The next prime is 3621379. The reversal of 3621369 is 9631263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3621369 - 2⁴ = 3621353 is a prime.

It is a super-2 number, since 2×3621369² = 26228626868322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621329) 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, 603559 + ... + 603564.

It is an arithmetic number, because the mean of its divisors is an integer number (1207124).

Almost surely, 2^3621369 is an apocalyptic number.

It is an amenable number.

3621369 is a deficient number, since it is larger than the sum of its proper divisors (1207127).

3621369 is a wasteful number, since it uses less digits than its factorization.

3621369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207126.

The product of its digits is 5832, while the sum is 30.

The square root of 3621369 is about 1902.9894902495. The cubic root of 3621369 is about 153.5645341158.

The spelling of 3621369 in words is "three million, six hundred twenty-one thousand, three hundred sixty-nine".