44347421 has 2 divisors, whose sum is σ = 44347422. Its totient is φ = 44347420.

The previous prime is 44347403. The next prime is 44347439. The reversal of 44347421 is 12474344.

It is a balanced prime because it is at equal distance from previous prime (44347403) and next prime (44347439).

It can be written as a sum of positive squares in only one way, i.e., 42055225 + 2292196 = 6485^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 44347421 - 2⁶ = 44347357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44347451) 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, 22173710 + 22173711.

It is an arithmetic number, because the mean of its divisors is an integer number (22173711).

Almost surely, 2^44347421 is an apocalyptic number.

It is an amenable number.

44347421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44347421 is an equidigital number, since it uses as much as digits as its factorization.

44347421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 29.

The square root of 44347421 is about 6659.3859326517. The cubic root of 44347421 is about 353.9615782829.

The spelling of 44347421 in words is "forty-four million, three hundred forty-seven thousand, four hundred twenty-one".