9659091 has 16 divisors (see below), whose sum is σ = 14134176. Its totient is φ = 5830656.

The previous prime is 9659051. The next prime is 9659099. The reversal of 9659091 is 1909569.

9659091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9659091 - 2¹⁹ = 9134803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (9659099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (883386).

Almost surely, 2^9659091 is an apocalyptic number.

9659091 is a deficient number, since it is larger than the sum of its proper divisors (4475085).

9659091 is a wasteful number, since it uses less digits than its factorization.

9659091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 9659091 is about 3107.9078171658. The cubic root of 9659091 is about 212.9668885469.

The spelling of 9659091 in words is "nine million, six hundred fifty-nine thousand, ninety-one".