11984393 has 2 divisors, whose sum is σ = 11984394. Its totient is φ = 11984392.

The previous prime is 11984387. The next prime is 11984407. The reversal of 11984393 is 39348911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 1763584 = 3197^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 11984393 - 2²² = 7790089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11981393) by changing a digit.

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 as a sum of consecutive naturals, namely, 5992196 + 5992197.

It is an arithmetic number, because the mean of its divisors is an integer number (5992197).

Almost surely, 2^11984393 is an apocalyptic number.

It is an amenable number.

11984393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11984393 is an equidigital number, since it uses as much as digits as its factorization.

11984393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 11984393 is about 3461.8482057999. The cubic root of 11984393 is about 228.8435523662.

The spelling of 11984393 in words is "eleven million, nine hundred eighty-four thousand, three hundred ninety-three".