4481616 has 40 divisors (see below), whose sum is σ = 11745280. Its totient is φ = 1472256.

The previous prime is 4481611. The next prime is 4481621. The reversal of 4481616 is 6161844.

It is an interprime number because it is at equal distance from previous prime (4481611) and next prime (4481621).

It is a nude number because it is divisible by every one of its digits.

4481616 is a modest number, since divided by 1616 gives 448 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (293632).

Almost surely, 2^4481616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4481616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5872640).

4481616 is an abundant number, since it is smaller than the sum of its proper divisors (7263664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4481616 is a wasteful number, since it uses less digits than its factorization.

4481616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1357 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 4481616 is about 2116.9827585505. The cubic root of 4481616 is about 164.8712310293.

The spelling of 4481616 in words is "four million, four hundred eighty-one thousand, six hundred sixteen".