9867258 has 48 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 3234816.

The previous prime is 9867257. The next prime is 9867281. The reversal of 9867258 is 8527689.

It is not an unprimeable number, because it can be changed into a prime (9867257) 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, 38266 + ... + 38522.

It is an arithmetic number, because the mean of its divisors is an integer number (469560).

Almost surely, 2^9867258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9867258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11269440).

9867258 is an abundant number, since it is smaller than the sum of its proper divisors (12671622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9867258 is a wasteful number, since it uses less digits than its factorization.

9867258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 341 counting only the distinct ones).

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

The square root of 9867258 is about 3141.2191900598. The cubic root of 9867258 is about 214.4859397112.

The spelling of 9867258 in words is "nine million, eight hundred sixty-seven thousand, two hundred fifty-eight".