9860256 has 144 divisors (see below), whose sum is σ = 32969664. Its totient is φ = 2737152.

The previous prime is 9860237. The next prime is 9860273. The reversal of 9860256 is 6520689.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9860256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135036 + ... + 135108.

It is an arithmetic number, because the mean of its divisors is an integer number (228956).

Almost surely, 2^9860256 is an apocalyptic number.

9860256 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9860256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16484832).

9860256 is an abundant number, since it is smaller than the sum of its proper divisors (23109408).

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

9860256 is a wasteful number, since it uses less digits than its factorization.

9860256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 9860256 is about 3140.1044568613. The cubic root of 9860256 is about 214.4351932278.

The spelling of 9860256 in words is "nine million, eight hundred sixty thousand, two hundred fifty-six".