11281884 has 12 divisors (see below), whose sum is σ = 26324424. Its totient is φ = 3760624.

The previous prime is 11281883. The next prime is 11281901. The reversal of 11281884 is 48818211.

11281884 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 Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281883) 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, 470067 + ... + 470090.

It is an arithmetic number, because the mean of its divisors is an integer number (2193702).

Almost surely, 2^11281884 is an apocalyptic number.

It is an amenable number.

11281884 is an abundant number, since it is smaller than the sum of its proper divisors (15042540).

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

11281884 is a wasteful number, since it uses less digits than its factorization.

11281884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940164 (or 940162 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 11281884 is about 3358.8515894573. The cubic root of 11281884 is about 224.2817193070.

The spelling of 11281884 in words is "eleven million, two hundred eighty-one thousand, eight hundred eighty-four".