44829821 has 2 divisors, whose sum is σ = 44829822. Its totient is φ = 44829820.

The previous prime is 44829817. The next prime is 44829839. The reversal of 44829821 is 12892844.

44829821 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., 26894596 + 17935225 = 5186^2 + 4235^2 .

It is a cyclic number.

It is not a de Polignac number, because 44829821 - 2² = 44829817 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44829871) 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, 22414910 + 22414911.

It is an arithmetic number, because the mean of its divisors is an integer number (22414911).

Almost surely, 2^44829821 is an apocalyptic number.

It is an amenable number.

44829821 is a deficient number, since it is larger than the sum of its proper divisors (1).

44829821 is an equidigital number, since it uses as much as digits as its factorization.

44829821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 38.

The square root of 44829821 is about 6695.5075237057. The cubic root of 44829821 is about 355.2403873410.

The spelling of 44829821 in words is "forty-four million, eight hundred twenty-nine thousand, eight hundred twenty-one".