3643622 has 8 divisors (see below), whose sum is σ = 5475576. Its totient is φ = 1818432.

The previous prime is 3643621. The next prime is 3643631. The reversal of 3643622 is 2263463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 4⁹ + 3⁹ + 6⁸ + 2⁹ + 2¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3643591 and 3643600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643621) 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, 8 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (684447).

Almost surely, 2^3643622 is an apocalyptic number.

3643622 is a deficient number, since it is larger than the sum of its proper divisors (1831954).

3643622 is a wasteful number, since it uses less digits than its factorization.

3643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382.

The product of its digits is 5184, while the sum is 26.

The square root of 3643622 is about 1908.8273887390. The cubic root of 3643622 is about 153.8784389552.

The spelling of 3643622 in words is "three million, six hundred forty-three thousand, six hundred twenty-two".