9867256 has 16 divisors (see below), whose sum is σ = 21144240. Its totient is φ = 4228800.

The previous prime is 9867241. The next prime is 9867257. The reversal of 9867256 is 6527689.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 88045 + ... + 88156.

It is an arithmetic number, because the mean of its divisors is an integer number (1321515).

Almost surely, 2^9867256 is an apocalyptic number.

It is an amenable number.

9867256 is an abundant number, since it is smaller than the sum of its proper divisors (11276984).

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

9867256 is a wasteful number, since it uses less digits than its factorization.

9867256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176214 (or 176210 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 9867256 is about 3141.2188717121. The cubic root of 9867256 is about 214.4859252197.

The spelling of 9867256 in words is "nine million, eight hundred sixty-seven thousand, two hundred fifty-six".