4416381 has 12 divisors (see below), whose sum is σ = 6599580. Its totient is φ = 2842560.

The previous prime is 4416371. The next prime is 4416409. The reversal of 4416381 is 1836144.

It can be written as a sum of positive squares in 2 ways, for example, as 2752281 + 1664100 = 1659^2 + 1290^2 .

It is not a de Polignac number, because 4416381 - 2¹⁰ = 4415357 is a prime.

It is a super-2 number, since 2×4416381² = 39008842274322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4416301) 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, 8200 + ... + 8721.

It is an arithmetic number, because the mean of its divisors is an integer number (549965).

Almost surely, 2^4416381 is an apocalyptic number.

It is an amenable number.

4416381 is a deficient number, since it is larger than the sum of its proper divisors (2183199).

4416381 is a wasteful number, since it uses less digits than its factorization.

4416381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956 (or 16953 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 4416381 is about 2101.5187365332. The cubic root of 4416381 is about 164.0673553393.

It can be divided in two parts, 44163 and 81, that added together give a palindrome (44244).

The spelling of 4416381 in words is "four million, four hundred sixteen thousand, three hundred eighty-one".