11384239 has 4 divisors (see below), whose sum is σ = 11466280. Its totient is φ = 11302200.

The previous prime is 11384231. The next prime is 11384251. The reversal of 11384239 is 93248311.

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 11384239 - 2³ = 11384231 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 11384239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11384231) 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, 40812 + ... + 41089.

It is an arithmetic number, because the mean of its divisors is an integer number (2866570).

Almost surely, 2^11384239 is an apocalyptic number.

11384239 is a deficient number, since it is larger than the sum of its proper divisors (82041).

11384239 is an equidigital number, since it uses as much as digits as its factorization.

11384239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82040.

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

The square root of 11384239 is about 3374.0537932878. The cubic root of 11384239 is about 224.9579444031.

The spelling of 11384239 in words is "eleven million, three hundred eighty-four thousand, two hundred thirty-nine".