818898 has 8 divisors (see below), whose sum is σ = 1637808. Its totient is φ = 272964.

The previous prime is 818897. The next prime is 818947. The reversal of 818898 is 898818.

It is a happy number.

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

818898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (818897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68236 + ... + 68247.

It is an arithmetic number, because the mean of its divisors is an integer number (204726).

2⁸¹⁸⁸⁹⁸ is an apocalyptic number.

818898 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.

818898 is a wasteful number, since it uses less digits than its factorization.

818898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136488.

The product of its digits is 36864, while the sum is 42.

The square root of 818898 is about 904.9298315339. The cubic root of 818898 is about 93.5570681190.

The spelling of 818898 in words is "eight hundred eighteen thousand, eight hundred ninety-eight".