5209844 has 6 divisors (see below), whose sum is σ = 9117234. Its totient is φ = 2604920.

The previous prime is 5209823. The next prime is 5209849. The reversal of 5209844 is 4489025.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 422500 = 2188^2 + 650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5209844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651227 + ... + 651234.

It is an arithmetic number, because the mean of its divisors is an integer number (1519539).

Almost surely, 2^5209844 is an apocalyptic number.

It is an amenable number.

5209844 is a deficient number, since it is larger than the sum of its proper divisors (3907390).

5209844 is a wasteful number, since it uses less digits than its factorization.

5209844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302465 (or 1302463 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 5209844 is about 2282.5082694264. The cubic root of 5209844 is about 173.3570759719.

The spelling of 5209844 in words is "five million, two hundred nine thousand, eight hundred forty-four".