11003916 has 48 divisors (see below), whose sum is σ = 32014080. Its totient is φ = 2857920.

The previous prime is 11003903. The next prime is 11003917. The reversal of 11003916 is 61930011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11003892 and 11003901.

It is not an unprimeable number, because it can be changed into a prime (11003917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5031 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (666960).

Almost surely, 2^11003916 is an apocalyptic number.

It is an amenable number.

11003916 is an abundant number, since it is smaller than the sum of its proper divisors (21010164).

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

11003916 is a wasteful number, since it uses less digits than its factorization.

11003916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 11003916 is about 3317.2150970355. The cubic root of 11003916 is about 222.4243971562.

Adding to 11003916 its reverse (61930011), we get a palindrome (72933927).

The spelling of 11003916 in words is "eleven million, three thousand, nine hundred sixteen".