11449869 has 4 divisors (see below), whose sum is σ = 15266496. Its totient is φ = 7633244.

The previous prime is 11449859. The next prime is 11449873. The reversal of 11449869 is 96894411.

11449869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11449869 - 2⁷ = 11449741 is a prime.

It is a super-2 number, since 2×11449869² = 262199000234322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11449869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11449829) 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, 1908309 + ... + 1908314.

It is an arithmetic number, because the mean of its divisors is an integer number (3816624).

Almost surely, 2^11449869 is an apocalyptic number.

It is an amenable number.

11449869 is a deficient number, since it is larger than the sum of its proper divisors (3816627).

11449869 is an equidigital number, since it uses as much as digits as its factorization.

11449869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816626.

The product of its digits is 62208, while the sum is 42.

The square root of 11449869 is about 3383.7655060598. The cubic root of 11449869 is about 225.3894096070.

The spelling of 11449869 in words is "eleven million, four hundred forty-nine thousand, eight hundred sixty-nine".