11142984 has 16 divisors (see below), whose sum is σ = 27857520. Its totient is φ = 3714320.

The previous prime is 11142983. The next prime is 11142997. The reversal of 11142984 is 48924111.

It is not an unprimeable number, because it can be changed into a prime (11142983) 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, 232122 + ... + 232169.

It is an arithmetic number, because the mean of its divisors is an integer number (1741095).

Almost surely, 2^11142984 is an apocalyptic number.

It is an amenable number.

11142984 is an abundant number, since it is smaller than the sum of its proper divisors (16714536).

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

11142984 is a wasteful number, since it uses less digits than its factorization.

11142984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464300 (or 464296 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11142984 is about 3338.1108429769. The cubic root of 11142984 is about 223.3574806197.

The spelling of 11142984 in words is "eleven million, one hundred forty-two thousand, nine hundred eighty-four".