11244989 has 4 divisors (see below), whose sum is σ = 12851424. Its totient is φ = 9638556.

The previous prime is 11244983. The next prime is 11244997. The reversal of 11244989 is 98944211.

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: 98944211 = 337 ⋅293603.

It is a cyclic number.

It is not a de Polignac number, because 11244989 - 2⁸ = 11244733 is a prime.

It is a super-2 number, since 2×11244989² = 252899555220242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803207 + ... + 803220.

It is an arithmetic number, because the mean of its divisors is an integer number (3212856).

Almost surely, 2^11244989 is an apocalyptic number.

It is an amenable number.

11244989 is a deficient number, since it is larger than the sum of its proper divisors (1606435).

11244989 is an equidigital number, since it uses as much as digits as its factorization.

11244989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606434.

The product of its digits is 20736, while the sum is 38.

The square root of 11244989 is about 3353.3548872733. The cubic root of 11244989 is about 224.0369637661.

The spelling of 11244989 in words is "eleven million, two hundred forty-four thousand, nine hundred eighty-nine".