9788257 has 8 divisors (see below), whose sum is σ = 9936000. Its totient is φ = 9641904.

The previous prime is 9788227. The next prime is 9788279. The reversal of 9788257 is 7528879.

9788257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9788257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9788227) 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, 26488 + ... + 26854.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^9788257 is an apocalyptic number.

It is an amenable number.

9788257 is a deficient number, since it is larger than the sum of its proper divisors (147743).

9788257 is a wasteful number, since it uses less digits than its factorization.

9788257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 282240, while the sum is 46.

The square root of 9788257 is about 3128.6190244260. The cubic root of 9788257 is about 213.9119866912.

The spelling of 9788257 in words is "nine million, seven hundred eighty-eight thousand, two hundred fifty-seven".