11003489 has 24 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 8727264.

The previous prime is 11003483. The next prime is 11003497. The reversal of 11003489 is 98430011.

It is a de Polignac number, because none of the positive numbers 2^k-11003489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11003483) 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 23 ways as a sum of consecutive naturals, for example, 49232 + ... + 49454.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^11003489 is an apocalyptic number.

11003489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11003489 is a deficient number, since it is larger than the sum of its proper divisors (2785951).

11003489 is a wasteful number, since it uses less digits than its factorization.

11003489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11003489 is about 3317.1507351943. The cubic root of 11003489 is about 222.4215201063.

The spelling of 11003489 in words is "eleven million, three thousand, four hundred eighty-nine".