4055618 has 16 divisors (see below), whose sum is σ = 7010304. Its totient is φ = 1723680.

The previous prime is 4055599. The next prime is 4055627. The reversal of 4055618 is 8165504.

It is a happy number.

4055618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 638 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (438144).

Almost surely, 2^4055618 is an apocalyptic number.

4055618 is a deficient number, since it is larger than the sum of its proper divisors (2954686).

4055618 is a wasteful number, since it uses less digits than its factorization.

With its successor (4055619) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2417).

4055618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4055618 is about 2013.8564993564. The cubic root of 4055618 is about 159.4724552232.

The spelling of 4055618 in words is "four million, fifty-five thousand, six hundred eighteen".