5218436 has 6 divisors (see below), whose sum is σ = 9132270. Its totient is φ = 2609216.

The previous prime is 5218417. The next prime is 5218441. The reversal of 5218436 is 6348125.

It can be written as a sum of positive squares in only one way, i.e., 5152900 + 65536 = 2270^2 + 256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5218399 and 5218408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652301 + ... + 652308.

It is an arithmetic number, because the mean of its divisors is an integer number (1522045).

Almost surely, 2^5218436 is an apocalyptic number.

It is an amenable number.

5218436 is a deficient number, since it is larger than the sum of its proper divisors (3913834).

5218436 is a wasteful number, since it uses less digits than its factorization.

5218436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304613 (or 1304611 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5218436 is about 2284.3896340161. The cubic root of 5218436 is about 173.4523229654.

The spelling of 5218436 in words is "five million, two hundred eighteen thousand, four hundred thirty-six".