218802 has 8 divisors (see below), whose sum is σ = 437616. Its totient is φ = 72932.

The previous prime is 218797. The next prime is 218809. The reversal of 218802 is 208812.

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

218802 is an admirable number.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 218802.

It is not an unprimeable number, because it can be changed into a prime (218809) by changing a digit.

218802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18228 + ... + 18239.

It is an arithmetic number, because the mean of its divisors is an integer number (54702).

2²¹⁸⁸⁰² is an apocalyptic number.

218802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

218802 is a wasteful number, since it uses less digits than its factorization.

218802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36472.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 218802 is about 467.7627603818. The cubic root of 218802 is about 60.2583306032.

The spelling of 218802 in words is "two hundred eighteen thousand, eight hundred two".