9769928 has 32 divisors (see below), whose sum is σ = 21297600. Its totient is φ = 4114752.

The previous prime is 9769927. The next prime is 9769939. The reversal of 9769928 is 8299679.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9769927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (665550).

Almost surely, 2^9769928 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 9769928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10648800).

9769928 is an abundant number, since it is smaller than the sum of its proper divisors (11527672).

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

9769928 is a wasteful number, since it uses less digits than its factorization.

9769928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3025 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 9769928 is about 3125.6884041760. The cubic root of 9769928 is about 213.7783829711.

The spelling of 9769928 in words is "nine million, seven hundred sixty-nine thousand, nine hundred twenty-eight".