44389966 has 16 divisors (see below), whose sum is σ = 70246800. Its totient is φ = 20979648.

The previous prime is 44389937. The next prime is 44389967. The reversal of 44389966 is 66998344.

44389966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44389967) 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 7 ways as a sum of consecutive naturals, for example, 20596 + ... + 22648.

It is an arithmetic number, because the mean of its divisors is an integer number (4390425).

Almost surely, 2^44389966 is an apocalyptic number.

44389966 is a deficient number, since it is larger than the sum of its proper divisors (25856834).

44389966 is a wasteful number, since it uses less digits than its factorization.

44389966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643.

The product of its digits is 1119744, while the sum is 49.

The square root of 44389966 is about 6662.5795304822. The cubic root of 44389966 is about 354.0747339210.

It can be divided in two parts, 443 and 89966, that added together give a palindrome (90409).

The spelling of 44389966 in words is "forty-four million, three hundred eighty-nine thousand, nine hundred sixty-six".