3621441 has 4 divisors (see below), whose sum is σ = 4828592. Its totient is φ = 2414292.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621441 is 1441263.

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 3621441 - 2⁷ = 3621313 is a prime.

It is a super-2 number, since 2×3621441² = 26229669832962, 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 (3621461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603571 + ... + 603576.

It is an arithmetic number, because the mean of its divisors is an integer number (1207148).

Almost surely, 2^3621441 is an apocalyptic number.

It is an amenable number.

3621441 is a deficient number, since it is larger than the sum of its proper divisors (1207151).

3621441 is a wasteful number, since it uses less digits than its factorization.

3621441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207150.

The product of its digits is 576, while the sum is 21.

The square root of 3621441 is about 1903.0084077586. The cubic root of 3621441 is about 153.5655518316.

The spelling of 3621441 in words is "three million, six hundred twenty-one thousand, four hundred forty-one".