8909697 has 4 divisors (see below), whose sum is σ = 11879600. Its totient is φ = 5939796.

The previous prime is 8909653. The next prime is 8909707. The reversal of 8909697 is 7969098.

It is a happy number.

8909697 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 not a de Polignac number, because 8909697 - 2¹⁰ = 8908673 is a prime.

It is a Duffinian number.

8909697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8909647) 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, 1484947 + ... + 1484952.

It is an arithmetic number, because the mean of its divisors is an integer number (2969900).

Almost surely, 2^8909697 is an apocalyptic number.

It is an amenable number.

8909697 is a deficient number, since it is larger than the sum of its proper divisors (2969903).

8909697 is a wasteful number, since it uses less digits than its factorization.

8909697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969902.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 8909697 is about 2984.9115564787. The cubic root of 8909697 is about 207.3103468644.

The spelling of 8909697 in words is "eight million, nine hundred nine thousand, six hundred ninety-seven".