5218394 has 8 divisors (see below), whose sum is σ = 8009760. Its totient is φ = 2548476.

The previous prime is 5218391. The next prime is 5218397. The reversal of 5218394 is 4938125.

It is an interprime number because it is at equal distance from previous prime (5218391) and next prime (5218397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5218394.

It is not an unprimeable number, because it can be changed into a prime (5218391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30254 + ... + 30425.

It is an arithmetic number, because the mean of its divisors is an integer number (1001220).

Almost surely, 2^5218394 is an apocalyptic number.

5218394 is a deficient number, since it is larger than the sum of its proper divisors (2791366).

5218394 is a wasteful number, since it uses less digits than its factorization.

5218394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60724.

The product of its digits is 8640, while the sum is 32.

The square root of 5218394 is about 2284.3804411700. The cubic root of 5218394 is about 173.4518576270.

The spelling of 5218394 in words is "five million, two hundred eighteen thousand, three hundred ninety-four".