11603928 has 96 divisors (see below), whose sum is σ = 35366400. Its totient is φ = 3107328.

The previous prime is 11603923. The next prime is 11603929. The reversal of 11603928 is 82930611.

11603928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11603928² = 269302290058368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11603895 and 11603904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603923) 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, 48433 + ... + 48671.

It is an arithmetic number, because the mean of its divisors is an integer number (368400).

Almost surely, 2^11603928 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 11603928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17683200).

11603928 is an abundant number, since it is smaller than the sum of its proper divisors (23762472).

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

11603928 is a wasteful number, since it uses less digits than its factorization.

11603928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11603928 is about 3406.4538746327. The cubic root of 11603928 is about 226.3957875246.

The spelling of 11603928 in words is "eleven million, six hundred three thousand, nine hundred twenty-eight".