983218 has 8 divisors (see below), whose sum is σ = 1492848. Its totient is φ = 485604.

The previous prime is 983209. The next prime is 983233. The reversal of 983218 is 812389.

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

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 983218.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796 + ... + 3127.

It is an arithmetic number, because the mean of its divisors is an integer number (186606).

2⁹⁸³²¹⁸ is an apocalyptic number.

983218 is a deficient number, since it is larger than the sum of its proper divisors (509630).

983218 is a wasteful number, since it uses less digits than its factorization.

983218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008.

The product of its digits is 3456, while the sum is 31.

The square root of 983218 is about 991.5734970238. The cubic root of 983218 is about 99.4374412106.

The spelling of 983218 in words is "nine hundred eighty-three thousand, two hundred eighteen".