11538488 has 16 divisors (see below), whose sum is σ = 23299080. Its totient is φ = 5325408.

The previous prime is 11538481. The next prime is 11538493. The reversal of 11538488 is 88483511.

It is a super-2 number, since 2×11538488² = 266273410652288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55370 + ... + 55577.

Almost surely, 2^11538488 is an apocalyptic number.

It is an amenable number.

11538488 is an abundant number, since it is smaller than the sum of its proper divisors (11760592).

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

11538488 is a wasteful number, since it uses less digits than its factorization.

11538488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110966 (or 110962 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 11538488 is about 3396.8349974646. The cubic root of 11538488 is about 225.9694009268.

The spelling of 11538488 in words is "eleven million, five hundred thirty-eight thousand, four hundred eighty-eight".