11788884 has 18 divisors (see below), whose sum is σ = 29799770. Its totient is φ = 3929616.

The previous prime is 11788883. The next prime is 11788891. The reversal of 11788884 is 48888711.

11788884 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 can be written as a sum of positive squares in only one way, i.e., 10419984 + 1368900 = 3228^2 + 1170^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163699 + ... + 163770.

Almost surely, 2^11788884 is an apocalyptic number.

It is an amenable number.

11788884 is an abundant number, since it is smaller than the sum of its proper divisors (18010886).

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

11788884 is a wasteful number, since it uses less digits than its factorization.

11788884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327479 (or 327474 counting only the distinct ones).

The product of its digits is 114688, while the sum is 45.

The square root of 11788884 is about 3433.4944298775. The cubic root of 11788884 is about 227.5923000269.

The spelling of 11788884 in words is "eleven million, seven hundred eighty-eight thousand, eight hundred eighty-four".