11383609 has 8 divisors (see below), whose sum is σ = 11781000. Its totient is φ = 10992000.

The previous prime is 11383607. The next prime is 11383621. The reversal of 11383609 is 90638311.

11383609 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 394384 + 10989225 = 628^2 + 3315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11383609 - 2¹ = 11383607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11383607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767 + ... + 5515.

It is an arithmetic number, because the mean of its divisors is an integer number (1472625).

Almost surely, 2^11383609 is an apocalyptic number.

It is an amenable number.

11383609 is a deficient number, since it is larger than the sum of its proper divisors (397391).

11383609 is a wasteful number, since it uses less digits than its factorization.

11383609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11383609 is about 3373.9604324888. The cubic root of 11383609 is about 224.9537946273.

The spelling of 11383609 in words is "eleven million, three hundred eighty-three thousand, six hundred nine".