5378209 has 8 divisors (see below), whose sum is σ = 5569128. Its totient is φ = 5189760.

The previous prime is 5378207. The next prime is 5378213. The reversal of 5378209 is 9028735.

It can be written as a sum of positive squares in 4 ways, for example, as 2471184 + 2907025 = 1572^2 + 1705^2 .

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 5378209 - 2¹ = 5378207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5378201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4539 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (696141).

Almost surely, 2^5378209 is an apocalyptic number.

It is an amenable number.

5378209 is a deficient number, since it is larger than the sum of its proper divisors (190919).

5378209 is a wasteful number, since it uses less digits than its factorization.

5378209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5378209 is about 2319.0965913476. The cubic root of 5378209 is about 175.2047562528.

The spelling of 5378209 in words is "five million, three hundred seventy-eight thousand, two hundred nine".