5218430 has 32 divisors (see below), whose sum is σ = 10838016. Its totient is φ = 1772064.

The previous prime is 5218417. The next prime is 5218441. The reversal of 5218430 is 348125.

5218430 = 369² + 370² + ... + 403².

It is a junction number, because it is equal to n+sod(n) for n = 5218396 and 5218405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8597 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

Almost surely, 2^5218430 is an apocalyptic number.

5218430 is an abundant number, since it is smaller than the sum of its proper divisors (5619586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5218430 is a wasteful number, since it uses less digits than its factorization.

5218430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5218430 is about 2284.3883207546. The cubic root of 5218430 is about 173.4522564887.

The spelling of 5218430 in words is "five million, two hundred eighteen thousand, four hundred thirty".