44486021 has 2 divisors, whose sum is σ = 44486022. Its totient is φ = 44486020.

The previous prime is 44486003. The next prime is 44486053. The reversal of 44486021 is 12068444.

44486021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 4669921 = 6310^2 + 2161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44486021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44486081) by changing a digit.

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 as a sum of consecutive naturals, namely, 22243010 + 22243011.

It is an arithmetic number, because the mean of its divisors is an integer number (22243011).

Almost surely, 2^44486021 is an apocalyptic number.

It is an amenable number.

44486021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44486021 is an equidigital number, since it uses as much as digits as its factorization.

44486021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 44486021 is about 6669.7841794169. The cubic root of 44486021 is about 354.3299428441.

The spelling of 44486021 in words is "forty-four million, four hundred eighty-six thousand, twenty-one".