11279928 has 32 divisors (see below), whose sum is σ = 30764160. Its totient is φ = 3418080.

The previous prime is 11279923. The next prime is 11279951. The reversal of 11279928 is 82997211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11279921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21100 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (961380).

Almost surely, 2^11279928 is an apocalyptic number.

It is an amenable number.

11279928 is an abundant number, since it is smaller than the sum of its proper divisors (19484232).

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

11279928 is a wasteful number, since it uses less digits than its factorization.

11279928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42747 (or 42743 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 11279928 is about 3358.5604058882. The cubic root of 11279928 is about 224.2687569212.

The spelling of 11279928 in words is "eleven million, two hundred seventy-nine thousand, nine hundred twenty-eight".