9039641 has 12 divisors (see below), whose sum is σ = 9914940. Its totient is φ = 8236800.

The previous prime is 9039637. The next prime is 9039643. The reversal of 9039641 is 1469309.

It can be written as a sum of positive squares in 6 ways, for example, as 1177225 + 7862416 = 1085^2 + 2804^2 .

It is not a de Polignac number, because 9039641 - 2² = 9039637 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9039598 and 9039607.

It is not an unprimeable number, because it can be changed into a prime (9039643) 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 11 ways as a sum of consecutive naturals, for example, 14741 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (826245).

Almost surely, 2^9039641 is an apocalyptic number.

It is an amenable number.

9039641 is a deficient number, since it is larger than the sum of its proper divisors (875299).

9039641 is a wasteful number, since it uses less digits than its factorization.

9039641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 9039641 is about 3006.5995742699. The cubic root of 9039641 is about 208.3133298483.

The spelling of 9039641 in words is "nine million, thirty-nine thousand, six hundred forty-one".