9699091 has 4 divisors (see below), whose sum is σ = 9740952. Its totient is φ = 9657232.

The previous prime is 9699089. The next prime is 9699113. The reversal of 9699091 is 1909969.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9699091 - 2¹ = 9699089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9699071) 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, 20581 + ... + 21046.

It is an arithmetic number, because the mean of its divisors is an integer number (2435238).

Almost surely, 2^9699091 is an apocalyptic number.

9699091 is a deficient number, since it is larger than the sum of its proper divisors (41861).

9699091 is a wasteful number, since it uses less digits than its factorization.

9699091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41860.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 9699091 is about 3114.3363659053. The cubic root of 9699091 is about 213.2604614932.

The spelling of 9699091 in words is "nine million, six hundred ninety-nine thousand, ninety-one".