11678984 has 8 divisors (see below), whose sum is σ = 21898110. Its totient is φ = 5839488.

The previous prime is 11678981. The next prime is 11678987. The reversal of 11678984 is 48987611.

It is an interprime number because it is at equal distance from previous prime (11678981) and next prime (11678987).

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 1932100 = 3122^2 + 1390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11678981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729929 + ... + 729944.

Almost surely, 2^11678984 is an apocalyptic number.

It is an amenable number.

11678984 is a deficient number, since it is larger than the sum of its proper divisors (10219126).

11678984 is a wasteful number, since it uses less digits than its factorization.

11678984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459879 (or 1459875 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 11678984 is about 3417.4528526375. The cubic root of 11678984 is about 226.8828598592.

The spelling of 11678984 in words is "eleven million, six hundred seventy-eight thousand, nine hundred eighty-four".