11609928 has 96 divisors (see below), whose sum is σ = 34875360. Its totient is φ = 3459840.

The previous prime is 11609921. The next prime is 11609933. The reversal of 11609928 is 82990611.

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

It is a junction number, because it is equal to n+sod(n) for n = 11609892 and 11609901.

It is not an unprimeable number, because it can be changed into a prime (11609921) 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, 84676 + ... + 84812.

It is an arithmetic number, because the mean of its divisors is an integer number (363285).

Almost surely, 2^11609928 is an apocalyptic number.

11609928 is a gapful number since it is divisible by the number (18) 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 11609928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17437680).

11609928 is an abundant number, since it is smaller than the sum of its proper divisors (23265432).

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

11609928 is a wasteful number, since it uses less digits than its factorization.

11609928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 11609928 is about 3407.3344420529. The cubic root of 11609928 is about 226.4348013444.

The spelling of 11609928 in words is "eleven million, six hundred nine thousand, nine hundred twenty-eight".