11984988 has 12 divisors (see below), whose sum is σ = 27965000. Its totient is φ = 3994992.

The previous prime is 11984971. The next prime is 11985019. The reversal of 11984988 is 88948911.

11984988 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 a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499363 + ... + 499386.

Almost surely, 2^11984988 is an apocalyptic number.

It is an amenable number.

11984988 is an abundant number, since it is smaller than the sum of its proper divisors (15980012).

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

11984988 is a wasteful number, since it uses less digits than its factorization.

11984988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998756 (or 998754 counting only the distinct ones).

The product of its digits is 165888, while the sum is 48.

The square root of 11984988 is about 3461.9341414880. The cubic root of 11984988 is about 228.8473395045.

The spelling of 11984988 in words is "eleven million, nine hundred eighty-four thousand, nine hundred eighty-eight".