9661069 has 4 divisors (see below), whose sum is σ = 10539360. Its totient is φ = 8782780.

The previous prime is 9661037. The next prime is 9661079. The reversal of 9661069 is 9601669.

9661069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9661069 - 2⁵ = 9661037 is a prime.

It is a super-2 number, since 2×9661069² = 186672508445522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439129 + ... + 439150.

It is an arithmetic number, because the mean of its divisors is an integer number (2634840).

Almost surely, 2^9661069 is an apocalyptic number.

It is an amenable number.

9661069 is a deficient number, since it is larger than the sum of its proper divisors (878291).

9661069 is a wasteful number, since it uses less digits than its factorization.

9661069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878290.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9661069 is about 3108.2260213826. The cubic root of 9661069 is about 212.9814247579.

The spelling of 9661069 in words is "nine million, six hundred sixty-one thousand, sixty-nine".