8609997 has 12 divisors (see below), whose sum is σ = 12619040. Its totient is φ = 5217960.

The previous prime is 8609987. The next prime is 8609999. The reversal of 8609997 is 7999068.

It is a happy number.

8609997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8609997 - 2¹⁰ = 8608973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8609999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11497 + ... + 12222.

Almost surely, 2^8609997 is an apocalyptic number.

It is an amenable number.

8609997 is a deficient number, since it is larger than the sum of its proper divisors (4009043).

8609997 is a wasteful number, since it uses less digits than its factorization.

8609997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23744 (or 23733 counting only the distinct ones).

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

The square root of 8609997 is about 2934.2796390256. The cubic root of 8609997 is about 204.9593177253.

The spelling of 8609997 in words is "eight million, six hundred nine thousand, nine hundred ninety-seven".