11428339 has 4 divisors (see below), whose sum is σ = 12307456. Its totient is φ = 10549224.

The previous prime is 11428331. The next prime is 11428343. The reversal of 11428339 is 93382411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11428339 - 2³ = 11428331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11428339.

It is not an unprimeable number, because it can be changed into a prime (11428331) 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, 439539 + ... + 439564.

It is an arithmetic number, because the mean of its divisors is an integer number (3076864).

Almost surely, 2^11428339 is an apocalyptic number.

11428339 is a deficient number, since it is larger than the sum of its proper divisors (879117).

11428339 is an equidigital number, since it uses as much as digits as its factorization.

11428339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879116.

The product of its digits is 5184, while the sum is 31.

The square root of 11428339 is about 3380.5826420900. The cubic root of 11428339 is about 225.2480490740.

The spelling of 11428339 in words is "eleven million, four hundred twenty-eight thousand, three hundred thirty-nine".