4413865 has 4 divisors (see below), whose sum is σ = 5296644. Its totient is φ = 3531088.

The previous prime is 4413853. The next prime is 4413869. The reversal of 4413865 is 5683144.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 2039184 = 1541^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 4413865 - 2¹¹ = 4411817 is a prime.

It is a Duffinian number.

4413865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4413869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441382 + ... + 441391.

It is an arithmetic number, because the mean of its divisors is an integer number (1324161).

Almost surely, 2^4413865 is an apocalyptic number.

It is an amenable number.

4413865 is a deficient number, since it is larger than the sum of its proper divisors (882779).

4413865 is an equidigital number, since it uses as much as digits as its factorization.

4413865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882778.

The product of its digits is 11520, while the sum is 31.

The square root of 4413865 is about 2100.9200365554. The cubic root of 4413865 is about 164.0361931819.

The spelling of 4413865 in words is "four million, four hundred thirteen thousand, eight hundred sixty-five".