11984642 has 8 divisors (see below), whose sum is σ = 18145296. Its totient is φ = 5936212.

The previous prime is 11984639. The next prime is 11984653. The reversal of 11984642 is 24648911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27788 + ... + 28215.

It is an arithmetic number, because the mean of its divisors is an integer number (2268162).

Almost surely, 2^11984642 is an apocalyptic number.

11984642 is a deficient number, since it is larger than the sum of its proper divisors (6160654).

11984642 is a wasteful number, since it uses less digits than its factorization.

11984642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56112.

The product of its digits is 13824, while the sum is 35.

The square root of 11984642 is about 3461.8841690617. The cubic root of 11984642 is about 228.8451372511.

The spelling of 11984642 in words is "eleven million, nine hundred eighty-four thousand, six hundred forty-two".