3621361 has 4 divisors (see below), whose sum is σ = 3682800. Its totient is φ = 3559924.

The previous prime is 3621353. The next prime is 3621379. The reversal of 3621361 is 1631263.

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 a cyclic number.

It is not a de Polignac number, because 3621361 - 2³ = 3621353 is a prime.

It is a super-2 number, since 2×3621361² = 26228510984642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621341) 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, 30631 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (920700).

Almost surely, 2^3621361 is an apocalyptic number.

It is an amenable number.

3621361 is a deficient number, since it is larger than the sum of its proper divisors (61439).

3621361 is an equidigital number, since it uses as much as digits as its factorization.

3621361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61438.

The product of its digits is 648, while the sum is 22.

The square root of 3621361 is about 1902.9873882924. The cubic root of 3621361 is about 153.5644210354.

The spelling of 3621361 in words is "three million, six hundred twenty-one thousand, three hundred sixty-one".