11384641 has 4 divisors (see below), whose sum is σ = 11692372. Its totient is φ = 11076912.

The previous prime is 11384627. The next prime is 11384647. The reversal of 11384641 is 14648311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14648311 = 263 ⋅55697.

It can be written as a sum of positive squares in 2 ways, for example, as 6076225 + 5308416 = 2465^2 + 2304^2 .

It is not a de Polignac number, because 11384641 - 2⁹ = 11384129 is a prime.

It is a super-2 number, since 2×11384641² = 259220101397762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11384647) 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 3 ways as a sum of consecutive naturals, for example, 153810 + ... + 153883.

It is an arithmetic number, because the mean of its divisors is an integer number (2923093).

Almost surely, 2^11384641 is an apocalyptic number.

It is an amenable number.

11384641 is a deficient number, since it is larger than the sum of its proper divisors (307731).

11384641 is an equidigital number, since it uses as much as digits as its factorization.

11384641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307730.

The product of its digits is 2304, while the sum is 28.

The square root of 11384641 is about 3374.1133650190. The cubic root of 11384641 is about 224.9605922753.

The spelling of 11384641 in words is "eleven million, three hundred eighty-four thousand, six hundred forty-one".