5209828 has 12 divisors (see below), whose sum is σ = 9818620. Its totient is φ = 2404512.

The previous prime is 5209823. The next prime is 5209849. The reversal of 5209828 is 8289025.

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 4359744 = 922^2 + 2088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5209793 and 5209802.

It is not an unprimeable number, because it can be changed into a prime (5209823) 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, 50043 + ... + 50146.

Almost surely, 2^5209828 is an apocalyptic number.

It is an amenable number.

5209828 is a deficient number, since it is larger than the sum of its proper divisors (4608792).

5209828 is a wasteful number, since it uses less digits than its factorization.

5209828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100206 (or 100204 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5209828 is about 2282.5047645076. The cubic root of 5209828 is about 173.3568985055.

The spelling of 5209828 in words is "five million, two hundred nine thousand, eight hundred twenty-eight".