9868257 has 24 divisors (see below), whose sum is σ = 17008800. Its totient is φ = 5638248.

The previous prime is 9868253. The next prime is 9868291. The reversal of 9868257 is 7528689.

9868257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9868257 - 2² = 9868253 is a prime.

It is a d-powerful number, because it can be written as 9 + 8⁴ + 6³ + 8⁵ + 2¹⁶ + 5¹⁰ + 7 .

It is not an unprimeable number, because it can be changed into a prime (9868253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2407 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (708700).

Almost surely, 2^9868257 is an apocalyptic number.

It is an amenable number.

9868257 is a deficient number, since it is larger than the sum of its proper divisors (7140543).

9868257 is a wasteful number, since it uses less digits than its factorization.

9868257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482 (or 7469 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 9868257 is about 3141.3782007266. The cubic root of 9868257 is about 214.4931779336.

The spelling of 9868257 in words is "nine million, eight hundred sixty-eight thousand, two hundred fifty-seven".