9896657 has 8 divisors (see below), whose sum is σ = 10298112. Its totient is φ = 9500400.

The previous prime is 9896641. The next prime is 9896659. The reversal of 9896657 is 7566989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9896657 - 2⁴ = 9896641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9896659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (1287264).

Almost surely, 2^9896657 is an apocalyptic number.

It is an amenable number.

9896657 is a deficient number, since it is larger than the sum of its proper divisors (401455).

9896657 is a wasteful number, since it uses less digits than its factorization.

9896657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 816480, while the sum is 50.

The square root of 9896657 is about 3145.8952620836. The cubic root of 9896657 is about 214.6987452008.

The spelling of 9896657 in words is "nine million, eight hundred ninety-six thousand, six hundred fifty-seven".