44993 has 4 divisors (see below), whose sum is σ = 48468. Its totient is φ = 41520.

The previous prime is 44987. The next prime is 45007. The reversal of 44993 is 39944.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 37249 = 88^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 44993 - 2¹⁰ = 43969 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (44953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (12117).

2⁴⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

44993 is a deficient number, since it is larger than the sum of its proper divisors (3475).

44993 is a wasteful number, since it uses less digits than its factorization.

44993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its digits is 3888, while the sum is 29.

The square root of 44993 is about 212.1155345561. The cubic root of 44993 is about 35.5670886342.

The spelling of 44993 in words is "forty-four thousand, nine hundred ninety-three".