4404155 has 16 divisors (see below), whose sum is σ = 6303744. Its totient is φ = 2888160.

The previous prime is 4404151. The next prime is 4404157. The reversal of 4404155 is 5514044.

It is not a de Polignac number, because 4404155 - 2² = 4404151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4404155.

It is not an unprimeable number, because it can be changed into a prime (4404151) 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 15 ways as a sum of consecutive naturals, for example, 1931 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (393984).

Almost surely, 2^4404155 is an apocalyptic number.

4404155 is a deficient number, since it is larger than the sum of its proper divisors (1899589).

4404155 is a wasteful number, since it uses less digits than its factorization.

4404155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4404155 is about 2098.6078718998. The cubic root of 4404155 is about 163.9158178908.

Adding to 4404155 its reverse (5514044), we get a palindrome (9918199).

The spelling of 4404155 in words is "four million, four hundred four thousand, one hundred fifty-five".