44386728 has 32 divisors (see below), whose sum is σ = 117495360. Its totient is φ = 13925120.

The previous prime is 44386697. The next prime is 44386747. The reversal of 44386728 is 82768344.

It is a self number, because there is not a number n which added to its sum of digits gives 44386728.

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, 53988 + ... + 54803.

It is an arithmetic number, because the mean of its divisors is an integer number (3671730).

Almost surely, 2^44386728 is an apocalyptic number.

It is an amenable number.

44386728 is an abundant number, since it is smaller than the sum of its proper divisors (73108632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44386728 is a wasteful number, since it uses less digits than its factorization.

44386728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108817 (or 108813 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 44386728 is about 6662.3365270752. The cubic root of 44386728 is about 354.0661244538.

The spelling of 44386728 in words is "forty-four million, three hundred eighty-six thousand, seven hundred twenty-eight".