44389447 has 2 divisors, whose sum is σ = 44389448. Its totient is φ = 44389446.

The previous prime is 44389439. The next prime is 44389463. The reversal of 44389447 is 74498344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44389447 - 2³ = 44389439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44389847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22194723 + 22194724.

It is an arithmetic number, because the mean of its divisors is an integer number (22194724).

Almost surely, 2^44389447 is an apocalyptic number.

44389447 is a deficient number, since it is larger than the sum of its proper divisors (1).

44389447 is an equidigital number, since it uses as much as digits as its factorization.

44389447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 44389447 is about 6662.5405814899. The cubic root of 44389447 is about 354.0733539883.

The spelling of 44389447 in words is "forty-four million, three hundred eighty-nine thousand, four hundred forty-seven".