5209444 has 12 divisors (see below), whose sum is σ = 9431100. Its totient is φ = 2514848.

The previous prime is 5209441. The next prime is 5209453. The reversal of 5209444 is 4449025.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 3467044 = 1320^2 + 1862^2 .

It is not an unprimeable number, because it can be changed into a prime (5209441) 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, 22339 + ... + 22570.

It is an arithmetic number, because the mean of its divisors is an integer number (785925).

Almost surely, 2^5209444 is an apocalyptic number.

It is an amenable number.

5209444 is a deficient number, since it is larger than the sum of its proper divisors (4221656).

5209444 is a wasteful number, since it uses less digits than its factorization.

5209444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44942 (or 44940 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5209444 is about 2282.4206448418. The cubic root of 5209444 is about 173.3526392040.

The spelling of 5209444 in words is "five million, two hundred nine thousand, four hundred forty-four".