818488 has 32 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 364000.

The previous prime is 818473. The next prime is 818509. The reversal of 818488 is 884818.

It is a super-2 number, since 2×818488² = 1339845212288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6183 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2⁸¹⁸⁴⁸⁸ is an apocalyptic number.

818488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855360).

818488 is an abundant number, since it is smaller than the sum of its proper divisors (892232).

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

818488 is a wasteful number, since it uses less digits than its factorization.

818488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its digits is 16384, while the sum is 37.

The square root of 818488 is about 904.7032662702. The cubic root of 818488 is about 93.5414516843.

It can be divided in two parts, 8 and 18488, that added together give a square (18496 = 136²).

The spelling of 818488 in words is "eight hundred eighteen thousand, four hundred eighty-eight".