11309768 has 36 divisors (see below), whose sum is σ = 22510995. Its totient is φ = 5326720.

The previous prime is 11309759. The next prime is 11309773. The reversal of 11309768 is 86790311.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Cunningham number, because it is equal to 3363²-1.

It can be written as a sum of positive squares in 5 ways, for example, as 669124 + 10640644 = 818^2 + 3262^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2378.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 275828 + ... + 275868.

Almost surely, 2^11309768 is an apocalyptic number.

It is an amenable number.

11309768 is a deficient number, since it is larger than the sum of its proper divisors (11201227).

11309768 is an equidigital number, since it uses as much as digits as its factorization.

11309768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 11309768 is about 3362.9998513232. Note that the first 3 decimals coincide. The cubic root of 11309768 is about 224.4663435011.

The spelling of 11309768 in words is "eleven million, three hundred nine thousand, seven hundred sixty-eight".