11489849 has 4 divisors (see below), whose sum is σ = 13131264. Its totient is φ = 9848436.

The previous prime is 11489827. The next prime is 11489873. The reversal of 11489849 is 94898411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94898411 = 29 ⋅3272359.

It is a cyclic number.

It is not a de Polignac number, because 11489849 - 2⁸ = 11489593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489749) 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, 820697 + ... + 820710.

It is an arithmetic number, because the mean of its divisors is an integer number (3282816).

Almost surely, 2^11489849 is an apocalyptic number.

It is an amenable number.

11489849 is a deficient number, since it is larger than the sum of its proper divisors (1641415).

11489849 is an equidigital number, since it uses as much as digits as its factorization.

11489849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641414.

The product of its digits is 82944, while the sum is 44.

The square root of 11489849 is about 3389.6679778409. The cubic root of 11489849 is about 225.6514388285.

The spelling of 11489849 in words is "eleven million, four hundred eighty-nine thousand, eight hundred forty-nine".