3621323 has 4 divisors (see below), whose sum is σ = 3834360. Its totient is φ = 3408288.

The previous prime is 3621313. The next prime is 3621329. The reversal of 3621323 is 3231263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231263 = 7 ⋅461609.

It is a cyclic number.

It is not a de Polignac number, because 3621323 - 2⁸ = 3621067 is a prime.

It is a super-2 number, since 2×3621323² = 26227960540658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3621295 and 3621304.

It is not an unprimeable number, because it can be changed into a prime (3621329) 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, 106493 + ... + 106526.

It is an arithmetic number, because the mean of its divisors is an integer number (958590).

Almost surely, 2^3621323 is an apocalyptic number.

3621323 is a deficient number, since it is larger than the sum of its proper divisors (213037).

3621323 is a wasteful number, since it uses less digits than its factorization.

3621323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213036.

The product of its digits is 648, while the sum is 20.

The square root of 3621323 is about 1902.9774039646. The cubic root of 3621323 is about 153.5638839014.

Adding to 3621323 its reverse (3231263), we get a palindrome (6852586).

The spelling of 3621323 in words is "three million, six hundred twenty-one thousand, three hundred twenty-three".