4388845 has 16 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 3369600.

The previous prime is 4388843. The next prime is 4388861. The reversal of 4388845 is 5488834.

It is not a de Polignac number, because 4388845 - 2¹ = 4388843 is a prime.

4388845 is a lucky number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4388798 and 4388807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16060 + ... + 16330.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 2^4388845 is an apocalyptic number.

It is an amenable number.

4388845 is a deficient number, since it is larger than the sum of its proper divisors (1094675).

4388845 is a wasteful number, since it uses less digits than its factorization.

4388845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 122880, while the sum is 40.

The square root of 4388845 is about 2094.9570401323. The cubic root of 4388845 is about 163.7256592222.

It can be divided in two parts, 43 and 88845, that added together give a palindrome (88888).

The spelling of 4388845 in words is "four million, three hundred eighty-eight thousand, eight hundred forty-five".