9439369 has 4 divisors (see below), whose sum is σ = 9994644. Its totient is φ = 8884096.

The previous prime is 9439363. The next prime is 9439373. The reversal of 9439369 is 9639349.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5290000 + 4149369 = 2300^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 9439369 - 2⁵ = 9439337 is a prime.

It is a super-2 number, since 2×9439369² = 178203374236322, which contains 22 as substring.

It is a Duffinian number.

9439369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9439363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277612 + ... + 277645.

It is an arithmetic number, because the mean of its divisors is an integer number (2498661).

Almost surely, 2^9439369 is an apocalyptic number.

It is an amenable number.

9439369 is a deficient number, since it is larger than the sum of its proper divisors (555275).

9439369 is a wasteful number, since it uses less digits than its factorization.

9439369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555274.

The product of its digits is 157464, while the sum is 43.

The square root of 9439369 is about 3072.3556109279. The cubic root of 9439369 is about 211.3396519676.

The spelling of 9439369 in words is "nine million, four hundred thirty-nine thousand, three hundred sixty-nine".