44799821 has 8 divisors (see below), whose sum is σ = 49701600. Its totient is φ = 40036240.

The previous prime is 44799817. The next prime is 44799827. The reversal of 44799821 is 12899744.

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

It is a cyclic number.

It is not a de Polignac number, because 44799821 - 2² = 44799817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44799827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33866 + ... + 35163.

It is an arithmetic number, because the mean of its divisors is an integer number (6212700).

Almost surely, 2^44799821 is an apocalyptic number.

It is an amenable number.

44799821 is a deficient number, since it is larger than the sum of its proper divisors (4901779).

44799821 is a wasteful number, since it uses less digits than its factorization.

44799821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69099.

The product of its digits is 145152, while the sum is 44.

The square root of 44799821 is about 6693.2668406392. The cubic root of 44799821 is about 355.1611276761.

The spelling of 44799821 in words is "forty-four million, seven hundred ninety-nine thousand, eight hundred twenty-one".