11885489 has 12 divisors (see below), whose sum is σ = 15083568. Its totient is φ = 9261000.

The previous prime is 11885459. The next prime is 11885513. The reversal of 11885489 is 98458811.

It is not a de Polignac number, because 11885489 - 2¹² = 11881393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11885429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10487 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (1256964).

Almost surely, 2^11885489 is an apocalyptic number.

It is an amenable number.

11885489 is a deficient number, since it is larger than the sum of its proper divisors (3198079).

11885489 is a wasteful number, since it uses less digits than its factorization.

11885489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22076 (or 22069 counting only the distinct ones).

The product of its digits is 92160, while the sum is 44.

The square root of 11885489 is about 3447.5337561799. The cubic root of 11885489 is about 228.2122843325.

The spelling of 11885489 in words is "eleven million, eight hundred eighty-five thousand, four hundred eighty-nine".