3621626 has 16 divisors (see below), whose sum is σ = 5721408. Its totient is φ = 1716000.

The previous prime is 3621623. The next prime is 3621643. The reversal of 3621626 is 6261263.

It is a d-powerful number, because it can be written as 3⁵ + 6 + 2¹⁷ + 1 + 6⁸ + 2¹⁷ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 3621595 and 3621604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621623) 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 7 ways as a sum of consecutive naturals, for example, 5726 + ... + 6326.

It is an arithmetic number, because the mean of its divisors is an integer number (357588).

Almost surely, 2^3621626 is an apocalyptic number.

3621626 is a deficient number, since it is larger than the sum of its proper divisors (2099782).

3621626 is a wasteful number, since it uses less digits than its factorization.

3621626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its digits is 2592, while the sum is 26.

The square root of 3621626 is about 1903.0570143850. The cubic root of 3621626 is about 153.5681667339.

Adding to 3621626 its reverse (6261263), we get a palindrome (9882889).

The spelling of 3621626 in words is "three million, six hundred twenty-one thousand, six hundred twenty-six".