11857089 has 8 divisors (see below), whose sum is σ = 15892992. Its totient is φ = 7862960.

The previous prime is 11857081. The next prime is 11857091. The reversal of 11857089 is 98075811.

11857089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11857089 - 2³ = 11857081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11857081) 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, 9774 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (1986624).

Almost surely, 2^11857089 is an apocalyptic number.

It is an amenable number.

11857089 is a deficient number, since it is larger than the sum of its proper divisors (4035903).

11857089 is a wasteful number, since it uses less digits than its factorization.

11857089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 11857089 is about 3443.4124063202. The cubic root of 11857089 is about 228.0303706850.

The spelling of 11857089 in words is "eleven million, eight hundred fifty-seven thousand, eighty-nine".