4464421 has 8 divisors (see below), whose sum is σ = 5090904. Its totient is φ = 3878400.

The previous prime is 4464413. The next prime is 4464443. The reversal of 4464421 is 1244644.

It can be written as a sum of positive squares in 4 ways, for example, as 8100 + 4456321 = 90^2 + 2111^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4464421 - 2³ = 4464413 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 4³ + 6⁵ + 4⁹ + 4¹¹ + 2⁷ + 1 .

4464421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9880 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (636363).

Almost surely, 2^4464421 is an apocalyptic number.

It is an amenable number.

4464421 is a deficient number, since it is larger than the sum of its proper divisors (626483).

4464421 is a wasteful number, since it uses less digits than its factorization.

4464421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231.

The product of its digits is 3072, while the sum is 25.

The square root of 4464421 is about 2112.9176510219. The cubic root of 4464421 is about 164.6601022551.

The spelling of 4464421 in words is "four million, four hundred sixty-four thousand, four hundred twenty-one".