44681393 has 2 divisors, whose sum is σ = 44681394. Its totient is φ = 44681392.

The previous prime is 44681303. The next prime is 44681419. The reversal of 44681393 is 39318644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29408929 + 15272464 = 5423^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 44681393 - 2²² = 40487089 is a prime.

It is not a weakly prime, because it can be changed into another prime (44681303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22340696 + 22340697.

It is an arithmetic number, because the mean of its divisors is an integer number (22340697).

Almost surely, 2^44681393 is an apocalyptic number.

It is an amenable number.

44681393 is a deficient number, since it is larger than the sum of its proper divisors (1).

44681393 is an equidigital number, since it uses as much as digits as its factorization.

44681393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 44681393 is about 6684.4141852521. The cubic root of 44681393 is about 354.8478962220.

The spelling of 44681393 in words is "forty-four million, six hundred eighty-one thousand, three hundred ninety-three".