4444618 has 4 divisors (see below), whose sum is σ = 6666930. Its totient is φ = 2222308.

The previous prime is 4444607. The next prime is 4444621. The reversal of 4444618 is 8164444.

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

It can be written as a sum of positive squares in only one way, i.e., 2362369 + 2082249 = 1537^2 + 1443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4444618.

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 as a sum of consecutive naturals, namely, 1111153 + ... + 1111156.

Almost surely, 2^4444618 is an apocalyptic number.

4444618 is a deficient number, since it is larger than the sum of its proper divisors (2222312).

4444618 is a wasteful number, since it uses less digits than its factorization.

4444618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222311.

The product of its digits is 12288, while the sum is 31.

The square root of 4444618 is about 2108.2262686913. The cubic root of 4444618 is about 164.4162783849.

The spelling of 4444618 in words is "four million, four hundred forty-four thousand, six hundred eighteen".