44493986 has 8 divisors (see below), whose sum is σ = 66773484. Its totient is φ = 22236160.

The previous prime is 44493973. The next prime is 44494001. The reversal of 44493986 is 68939444.

It is a happy number.

44493986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43099225 + 1394761 = 6565^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44493986.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1466 + ... + 9546.

Almost surely, 2^44493986 is an apocalyptic number.

44493986 is a deficient number, since it is larger than the sum of its proper divisors (22279498).

44493986 is a wasteful number, since it uses less digits than its factorization.

44493986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836.

The product of its digits is 746496, while the sum is 47.

The square root of 44493986 is about 6670.3812484745. The cubic root of 44493986 is about 354.3510885846.

The spelling of 44493986 in words is "forty-four million, four hundred ninety-three thousand, nine hundred eighty-six".