11431884 has 12 divisors (see below), whose sum is σ = 26674424. Its totient is φ = 3810624.

The previous prime is 11431883. The next prime is 11431913. The reversal of 11431884 is 48813411.

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

It is not an unprimeable number, because it can be changed into a prime (11431883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476317 + ... + 476340.

Almost surely, 2^11431884 is an apocalyptic number.

It is an amenable number.

11431884 is an abundant number, since it is smaller than the sum of its proper divisors (15242540).

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

11431884 is a wasteful number, since it uses less digits than its factorization.

11431884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952664 (or 952662 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 11431884 is about 3381.1069193387. The cubic root of 11431884 is about 225.2713368496.

The spelling of 11431884 in words is "eleven million, four hundred thirty-one thousand, eight hundred eighty-four".