11007889 has 8 divisors (see below), whose sum is σ = 11276712. Its totient is φ = 10742400.

The previous prime is 11007863. The next prime is 11007901. The reversal of 11007889 is 98870011.

It can be written as a sum of positive squares in 4 ways, for example, as 7075600 + 3932289 = 2660^2 + 1983^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11007889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11007089) 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, 6627 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (1409589).

Almost surely, 2^11007889 is an apocalyptic number.

It is an amenable number.

11007889 is a deficient number, since it is larger than the sum of its proper divisors (268823).

11007889 is a wasteful number, since it uses less digits than its factorization.

11007889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 11007889 is about 3317.8138886924. The cubic root of 11007889 is about 222.4511629548.

The spelling of 11007889 in words is "eleven million, seven thousand, eight hundred eighty-nine".