44243393 has 4 divisors (see below), whose sum is σ = 45078228. Its totient is φ = 43408560.

The previous prime is 44243389. The next prime is 44243411. The reversal of 44243393 is 39334244.

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 21270544 + 22972849 = 4612^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 44243393 - 2² = 44243389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44243363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 417338 + ... + 417443.

It is an arithmetic number, because the mean of its divisors is an integer number (11269557).

Almost surely, 2^44243393 is an apocalyptic number.

It is an amenable number.

44243393 is a deficient number, since it is larger than the sum of its proper divisors (834835).

44243393 is an equidigital number, since it uses as much as digits as its factorization.

44243393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834834.

The product of its digits is 31104, while the sum is 32.

The square root of 44243393 is about 6651.5707167556. The cubic root of 44243393 is about 353.6845930341.

The spelling of 44243393 in words is "forty-four million, two hundred forty-three thousand, three hundred ninety-three".