11003490 has 48 divisors (see below), whose sum is σ = 28911168. Its totient is φ = 2903328.

The previous prime is 11003483. The next prime is 11003497. The reversal of 11003490 is 9430011.

It is an interprime number because it is at equal distance from previous prime (11003483) and next prime (11003497).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003497) 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, 8677 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (602316).

Almost surely, 2^11003490 is an apocalyptic number.

11003490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11003490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14455584).

11003490 is an abundant number, since it is smaller than the sum of its proper divisors (17907678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11003490 is a wasteful number, since it uses less digits than its factorization.

11003490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11003490 is about 3317.1508859261. The cubic root of 11003490 is about 222.4215268442.

The spelling of 11003490 in words is "eleven million, three thousand, four hundred ninety".