4412621 has 4 divisors (see below), whose sum is σ = 4495932. Its totient is φ = 4329312.

The previous prime is 4412593. The next prime is 4412659. The reversal of 4412621 is 1262144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 855625 = 1886^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 4412621 - 2¹⁴ = 4396237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4412593 and 4412602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4412671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41576 + ... + 41681.

It is an arithmetic number, because the mean of its divisors is an integer number (1123983).

Almost surely, 2^4412621 is an apocalyptic number.

It is an amenable number.

4412621 is a deficient number, since it is larger than the sum of its proper divisors (83311).

4412621 is an equidigital number, since it uses as much as digits as its factorization.

4412621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83310.

The product of its digits is 384, while the sum is 20.

The square root of 4412621 is about 2100.6239549239. The cubic root of 4412621 is about 164.0207811263.

Adding to 4412621 its reverse (1262144), we get a palindrome (5674765).

The spelling of 4412621 in words is "four million, four hundred twelve thousand, six hundred twenty-one".