44798021 has 2 divisors, whose sum is σ = 44798022. Its totient is φ = 44798020.

The previous prime is 44797999. The next prime is 44798027. The reversal of 44798021 is 12089744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 14668900 = 5489^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 44798021 - 2¹⁸ = 44535877 is a prime.

It is a Chen prime.

It is equal to p_2706749 and since 44798021 and 2706749 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44798027) 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 as a sum of consecutive naturals, namely, 22399010 + 22399011.

It is an arithmetic number, because the mean of its divisors is an integer number (22399011).

Almost surely, 2^44798021 is an apocalyptic number.

It is an amenable number.

44798021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44798021 is an equidigital number, since it uses as much as digits as its factorization.

44798021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 44798021 is about 6693.1323758013. The cubic root of 44798021 is about 355.1563709712.

The spelling of 44798021 in words is "forty-four million, seven hundred ninety-eight thousand, twenty-one".