11468889 has 12 divisors (see below), whose sum is σ = 16970772. Its totient is φ = 7459200.

The previous prime is 11468879. The next prime is 11468909. The reversal of 11468889 is 98886411.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 9734400 = 1317^2 + 3120^2 .

It is not a de Polignac number, because 11468889 - 2⁹ = 11468377 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11468869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15172 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (1414231).

Almost surely, 2^11468889 is an apocalyptic number.

It is an amenable number.

11468889 is a deficient number, since it is larger than the sum of its proper divisors (5501883).

11468889 is a wasteful number, since it uses less digits than its factorization.

11468889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31128 (or 31125 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 11468889 is about 3386.5748183083. The cubic root of 11468889 is about 225.5141427668.

The spelling of 11468889 in words is "eleven million, four hundred sixty-eight thousand, eight hundred eighty-nine".