11390816 has 24 divisors (see below), whose sum is σ = 23745960. Its totient is φ = 5360128.

The previous prime is 11390809. The next prime is 11390831. The reversal of 11390816 is 61809311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 9926 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (989415).

Almost surely, 2^11390816 is an apocalyptic number.

11390816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11390816 is an abundant number, since it is smaller than the sum of its proper divisors (12355144).

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

11390816 is a wasteful number, since it uses less digits than its factorization.

11390816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20966 (or 20958 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11390816 is about 3375.0282961777. The cubic root of 11390816 is about 225.0012576061.

The spelling of 11390816 in words is "eleven million, three hundred ninety thousand, eight hundred sixteen".