8909361 has 6 divisors (see below), whose sum is σ = 12869090. Its totient is φ = 5939568.

The previous prime is 8909359. The next prime is 8909387. The reversal of 8909361 is 1639098.

8909361 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5130225 + 3779136 = 2265^2 + 1944^2 .

It is not a de Polignac number, because 8909361 - 2¹ = 8909359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8909321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494956 + ... + 494973.

Almost surely, 2^8909361 is an apocalyptic number.

It is an amenable number.

8909361 is a deficient number, since it is larger than the sum of its proper divisors (3959729).

8909361 is a wasteful number, since it uses less digits than its factorization.

8909361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989935 (or 989932 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8909361 is about 2984.8552728734. The cubic root of 8909361 is about 207.3077408218.

The spelling of 8909361 in words is "eight million, nine hundred nine thousand, three hundred sixty-one".