39244689 has 16 divisors (see below), whose sum is σ = 63426240. Its totient is φ = 23784480.

The previous prime is 39244669. The next prime is 39244691. The reversal of 39244689 is 98644293.

39244689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39244689 - 2⁵ = 39244657 is a prime.

It is a super-2 number, since 2×39244689² = 3080291229413442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39244669) 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 in 15 ways as a sum of consecutive naturals, for example, 65772 + ... + 66365.

It is an arithmetic number, because the mean of its divisors is an integer number (3964140).

Almost surely, 2^39244689 is an apocalyptic number.

It is an amenable number.

39244689 is a deficient number, since it is larger than the sum of its proper divisors (24181551).

39244689 is a wasteful number, since it uses less digits than its factorization.

39244689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132157 (or 132151 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 39244689 is about 6264.5581647870. The cubic root of 39244689 is about 339.8288902563.

The spelling of 39244689 in words is "thirty-nine million, two hundred forty-four thousand, six hundred eighty-nine".