9039961 has 6 divisors (see below), whose sum is σ = 10515930. Its totient is φ = 7748496.

The previous prime is 9039959. The next prime is 9039983. The reversal of 9039961 is 1699309.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 4177936 = 2205^2 + 2044^2 .

It is not a de Polignac number, because 9039961 - 2¹ = 9039959 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9039961.

It is not an unprimeable number, because it can be changed into a prime (9039931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92196 + ... + 92293.

It is an arithmetic number, because the mean of its divisors is an integer number (1752655).

Almost surely, 2^9039961 is an apocalyptic number.

It is an amenable number.

9039961 is a deficient number, since it is larger than the sum of its proper divisors (1475969).

9039961 is a wasteful number, since it uses less digits than its factorization.

9039961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184503 (or 184496 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 9039961 is about 3006.6527900641. The cubic root of 9039961 is about 208.3157878913.

It can be divided in two parts, 9039 and 961, that added together give a 4-th power (10000 = 10⁴).

The spelling of 9039961 in words is "nine million, thirty-nine thousand, nine hundred sixty-one".