11428664 has 16 divisors (see below), whose sum is σ = 23077320. Its totient is φ = 5274720.

The previous prime is 11428649. The next prime is 11428667. The reversal of 11428664 is 46682411.

11428664 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 2×11428664² = 261228721649792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11428664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54842 + ... + 55049.

Almost surely, 2^11428664 is an apocalyptic number.

It is an amenable number.

11428664 is an abundant number, since it is smaller than the sum of its proper divisors (11648656).

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

11428664 is a wasteful number, since it uses less digits than its factorization.

11428664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109910 (or 109906 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 11428664 is about 3380.6307103853. The cubic root of 11428664 is about 225.2501842609.

The spelling of 11428664 in words is "eleven million, four hundred twenty-eight thousand, six hundred sixty-four".