4481623 has 4 divisors (see below), whose sum is σ = 4506840. Its totient is φ = 4456408.

The previous prime is 4481621. The next prime is 4481629. The reversal of 4481623 is 3261844.

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

It is a cyclic number.

It is not a de Polignac number, because 4481623 - 2¹ = 4481621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4481591 and 4481600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12340 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (1126710).

Almost surely, 2^4481623 is an apocalyptic number.

4481623 is a deficient number, since it is larger than the sum of its proper divisors (25217).

4481623 is a wasteful number, since it uses less digits than its factorization.

4481623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216.

The product of its digits is 4608, while the sum is 28.

The square root of 4481623 is about 2116.9844118462. The cubic root of 4481623 is about 164.8713168687.

The spelling of 4481623 in words is "four million, four hundred eighty-one thousand, six hundred twenty-three".