9770256 has 60 divisors (see below), whose sum is σ = 28790320. Its totient is φ = 3084480.

The previous prime is 9770251. The next prime is 9770261. The reversal of 9770256 is 6520779.

It is an interprime number because it is at equal distance from previous prime (9770251) and next prime (9770261).

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 9770256.

It is not an unprimeable number, because it can be changed into a prime (9770251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951 + ... + 4521.

Almost surely, 2^9770256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9770256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14395160).

9770256 is an abundant number, since it is smaller than the sum of its proper divisors (19020064).

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

9770256 is a wasteful number, since it uses less digits than its factorization.

9770256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 9770256 is about 3125.7408721773. The cubic root of 9770256 is about 213.7807752959.

The spelling of 9770256 in words is "nine million, seven hundred seventy thousand, two hundred fifty-six".