4405555 has 16 divisors (see below), whose sum is σ = 6591744. Its totient is φ = 2746080.

The previous prime is 4405547. The next prime is 4405559. The reversal of 4405555 is 5555044.

It is not a de Polignac number, because 4405555 - 2³ = 4405547 is a prime.

It is a Duffinian number.

4405555 is a modest number, since divided by 5555 gives 440 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405559) 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 15 ways as a sum of consecutive naturals, for example, 5337 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (411984).

Almost surely, 2^4405555 is an apocalyptic number.

4405555 is a deficient number, since it is larger than the sum of its proper divisors (2186189).

4405555 is a wasteful number, since it uses less digits than its factorization.

4405555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 4405555 is about 2098.9413998490. The cubic root of 4405555 is about 163.9331846603.

It can be divided in two parts, 440 and 5555, that added together give a palindrome (5995).

The spelling of 4405555 in words is "four million, four hundred five thousand, five hundred fifty-five".