11389641 has 8 divisors (see below), whose sum is σ = 15202944. Its totient is φ = 7584720.

The previous prime is 11389639. The next prime is 11389649. The reversal of 11389641 is 14698311.

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

It is not a de Polignac number, because 11389641 - 2¹ = 11389639 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11389649) 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 7 ways as a sum of consecutive naturals, for example, 2551 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (1900368).

Almost surely, 2^11389641 is an apocalyptic number.

It is an amenable number.

11389641 is a deficient number, since it is larger than the sum of its proper divisors (3813303).

11389641 is a wasteful number, since it uses less digits than its factorization.

11389641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191.

The product of its digits is 5184, while the sum is 33.

The square root of 11389641 is about 3374.8542190738. The cubic root of 11389641 is about 224.9935208011.

The spelling of 11389641 in words is "eleven million, three hundred eighty-nine thousand, six hundred forty-one".