11564238 has 16 divisors (see below), whose sum is σ = 26432640. Its totient is φ = 3304056.

The previous prime is 11564237. The next prime is 11564251. The reversal of 11564238 is 83246511.

11564238 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

11564238 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137628 + ... + 137711.

It is an arithmetic number, because the mean of its divisors is an integer number (1652040).

Almost surely, 2^11564238 is an apocalyptic number.

11564238 is an abundant number, since it is smaller than the sum of its proper divisors (14868402).

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

11564238 is a wasteful number, since it uses less digits than its factorization.

11564238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275351.

The product of its digits is 5760, while the sum is 30.

The square root of 11564238 is about 3400.6231781837. The cubic root of 11564238 is about 226.1373717784.

The spelling of 11564238 in words is "eleven million, five hundred sixty-four thousand, two hundred thirty-eight".