39244489 has 2 divisors, whose sum is σ = 39244490. Its totient is φ = 39244488.

The previous prime is 39244487. The next prime is 39244493. The reversal of 39244489 is 98444293.

39244489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 16281225 = 4792^2 + 4035^2 .

It is a cyclic number.

It is not a de Polignac number, because 39244489 - 2¹ = 39244487 is a prime.

It is a super-2 number, since 2×39244489² = 3080259833742242, which contains 22 as substring.

Together with 39244487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (39244487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19622244 + 19622245.

It is an arithmetic number, because the mean of its divisors is an integer number (19622245).

Almost surely, 2^39244489 is an apocalyptic number.

It is an amenable number.

39244489 is a deficient number, since it is larger than the sum of its proper divisors (1).

39244489 is an equidigital number, since it uses as much as digits as its factorization.

39244489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 39244489 is about 6264.5422019490. The cubic root of 39244489 is about 339.8283129732.

The spelling of 39244489 in words is "thirty-nine million, two hundred forty-four thousand, four hundred eighty-nine".