11289399 has 16 divisors (see below), whose sum is σ = 16533120. Its totient is φ = 6795360.

The previous prime is 11289379. The next prime is 11289409. The reversal of 11289399 is 99398211.

11289399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11289399 - 2⁹ = 11288887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11289399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (1033320).

Almost surely, 2^11289399 is an apocalyptic number.

11289399 is a deficient number, since it is larger than the sum of its proper divisors (5243721).

11289399 is a wasteful number, since it uses less digits than its factorization.

11289399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its digits is 34992, while the sum is 42.

The square root of 11289399 is about 3359.9700891526. The cubic root of 11289399 is about 224.3315071799.

The spelling of 11289399 in words is "eleven million, two hundred eighty-nine thousand, three hundred ninety-nine".