44384981 has 2 divisors, whose sum is σ = 44384982. Its totient is φ = 44384980.

The previous prime is 44384959. The next prime is 44385017. The reversal of 44384981 is 18948344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 5134756 = 6265^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 44384981 - 2²² = 40190677 is a prime.

It is a super-2 number, since 2×44384981² = 3940053076740722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44984981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22192490 + 22192491.

It is an arithmetic number, because the mean of its divisors is an integer number (22192491).

Almost surely, 2^44384981 is an apocalyptic number.

It is an amenable number.

44384981 is a deficient number, since it is larger than the sum of its proper divisors (1).

44384981 is an equidigital number, since it uses as much as digits as its factorization.

44384981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 44384981 is about 6662.2054156263. The cubic root of 44384981 is about 354.0614792092.

The spelling of 44384981 in words is "forty-four million, three hundred eighty-four thousand, nine hundred eighty-one".