11984401 has 16 divisors (see below), whose sum is σ = 14414400. Its totient is φ = 9817920.

The previous prime is 11984393. The next prime is 11984407. The reversal of 11984401 is 10448911.

It is a cyclic number.

It is not a de Polignac number, because 11984401 - 2³ = 11984393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11984401.

It is not an unprimeable number, because it can be changed into a prime (11984407) 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 in 15 ways as a sum of consecutive naturals, for example, 5175 + ... + 7123.

It is an arithmetic number, because the mean of its divisors is an integer number (900900).

Almost surely, 2^11984401 is an apocalyptic number.

11984401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11984401 is a deficient number, since it is larger than the sum of its proper divisors (2429999).

11984401 is a wasteful number, since it uses less digits than its factorization.

With its successor (11984402) it forms an eRAP, since the sums of their prime factors are consecutive (2016 and 2017).

11984401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11984401 is about 3461.8493612519. The cubic root of 11984401 is about 228.8436032866.

The spelling of 11984401 in words is "eleven million, nine hundred eighty-four thousand, four hundred one".