44007389 has 2 divisors, whose sum is σ = 44007390. Its totient is φ = 44007388.

The previous prime is 44007377. The next prime is 44007421. The reversal of 44007389 is 98370044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 6980164 = 6085^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 44007389 - 2¹⁶ = 43941853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44007589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22003694 + 22003695.

It is an arithmetic number, because the mean of its divisors is an integer number (22003695).

Almost surely, 2^44007389 is an apocalyptic number.

It is an amenable number.

44007389 is a deficient number, since it is larger than the sum of its proper divisors (1).

44007389 is an equidigital number, since it uses as much as digits as its factorization.

44007389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 44007389 is about 6633.8065241609. The cubic root of 44007389 is about 353.0545943536.

The spelling of 44007389 in words is "forty-four million, seven thousand, three hundred eighty-nine".