818208 has 48 divisors (see below), whose sum is σ = 2388960. Its totient is φ = 272448.

The previous prime is 818189. The next prime is 818219. The reversal of 818208 is 802818.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

818208 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 7 ways as a sum of consecutive naturals, for example, 391 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (49770).

2⁸¹⁸²⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194480).

818208 is an abundant number, since it is smaller than the sum of its proper divisors (1570752).

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

818208 is a wasteful number, since it uses less digits than its factorization.

818208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 818208 is about 904.5485061621. The cubic root of 818208 is about 93.5307838050.

The spelling of 818208 in words is "eight hundred eighteen thousand, two hundred eight".