44444893 has 2 divisors, whose sum is σ = 44444894. Its totient is φ = 44444892.

The previous prime is 44444891. The next prime is 44444921. The reversal of 44444893 is 39844444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24176889 + 20268004 = 4917^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444893 - 2¹ = 44444891 is a prime.

Together with 44444891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44444891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222446 + 22222447.

It is an arithmetic number, because the mean of its divisors is an integer number (22222447).

Almost surely, 2^44444893 is an apocalyptic number.

It is an amenable number.

44444893 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444893 is an equidigital number, since it uses as much as digits as its factorization.

44444893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 40.

The square root of 44444893 is about 6666.7003082485. The cubic root of 44444893 is about 354.2207147104.

The spelling of 44444893 in words is "forty-four million, four hundred forty-four thousand, eight hundred ninety-three".