44921039 has 4 divisors (see below), whose sum is σ = 44967360. Its totient is φ = 44874720.

The previous prime is 44921033. The next prime is 44921083. The reversal of 44921039 is 93012944.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44921039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44920996 and 44921014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44921033) 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, 21674 + ... + 23655.

It is an arithmetic number, because the mean of its divisors is an integer number (11241840).

Almost surely, 2^44921039 is an apocalyptic number.

44921039 is a deficient number, since it is larger than the sum of its proper divisors (46321).

44921039 is an equidigital number, since it uses as much as digits as its factorization.

44921039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46320.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 44921039 is about 6702.3159430155. The cubic root of 44921039 is about 355.4811672756.

The spelling of 44921039 in words is "forty-four million, nine hundred twenty-one thousand, thirty-nine".