11439306 has 40 divisors (see below), whose sum is σ = 25826724. Its totient is φ = 3784320.

The previous prime is 11439301. The next prime is 11439331. The reversal of 11439306 is 60393411.

11439306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9641025 + 1798281 = 3105^2 + 1341^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11439306.

It is not an unprimeable number, because it can be changed into a prime (11439301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38896 + ... + 39188.

Almost surely, 2^11439306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11439306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12913362).

11439306 is an abundant number, since it is smaller than the sum of its proper divisors (14387418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11439306 is a wasteful number, since it uses less digits than its factorization.

11439306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 11439306 is about 3382.2043108009. The cubic root of 11439306 is about 225.3200777850.

The spelling of 11439306 in words is "eleven million, four hundred thirty-nine thousand, three hundred six".