11399928 has 32 divisors (see below), whose sum is σ = 30177360. Its totient is φ = 3576320.

The previous prime is 11399917. The next prime is 11399933. The reversal of 11399928 is 82999311.

It is a self number, because there is not a number n which added to its sum of digits gives 11399928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13563 + ... + 14378.

Almost surely, 2^11399928 is an apocalyptic number.

It is an amenable number.

11399928 is an abundant number, since it is smaller than the sum of its proper divisors (18777432).

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

11399928 is a wasteful number, since it uses less digits than its factorization.

11399928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27967 (or 27963 counting only the distinct ones).

The product of its digits is 34992, while the sum is 42.

The square root of 11399928 is about 3376.3779409302. The cubic root of 11399928 is about 225.0612376526.

The spelling of 11399928 in words is "eleven million, three hundred ninety-nine thousand, nine hundred twenty-eight".