11488389 has 24 divisors (see below), whose sum is σ = 17340768. Its totient is φ = 6704640.

The previous prime is 11488363. The next prime is 11488391. The reversal of 11488389 is 98388411.

11488389 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11488389 - 2⁵ = 11488357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11488389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11488349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118389 + ... + 118485.

It is an arithmetic number, because the mean of its divisors is an integer number (722532).

Almost surely, 2^11488389 is an apocalyptic number.

It is an amenable number.

11488389 is a deficient number, since it is larger than the sum of its proper divisors (5852379).

11488389 is an equidigital number, since it uses as much as digits as its factorization.

11488389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 148 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 11488389 is about 3389.4526106733. The cubic root of 11488389 is about 225.6418806798.

The spelling of 11488389 in words is "eleven million, four hundred eighty-eight thousand, three hundred eighty-nine".