4450621 has 12 divisors (see below), whose sum is σ = 5265660. Its totient is φ = 3749760.

The previous prime is 4450613. The next prime is 4450627. The reversal of 4450621 is 1260544.

It can be written as a sum of positive squares in 2 ways, for example, as 470596 + 3980025 = 686^2 + 1995^2 .

It is not a de Polignac number, because 4450621 - 2³ = 4450613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4450592 and 4450601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450627) 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 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (438805).

Almost surely, 2^4450621 is an apocalyptic number.

It is an amenable number.

4450621 is a deficient number, since it is larger than the sum of its proper divisors (815039).

4450621 is a wasteful number, since it uses less digits than its factorization.

4450621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4450621 is about 2109.6494969544. The cubic root of 4450621 is about 164.4902665133.

The spelling of 4450621 in words is "four million, four hundred fifty thousand, six hundred twenty-one".