818274 has 8 divisors (see below), whose sum is σ = 1636560. Its totient is φ = 272756.

The previous prime is 818249. The next prime is 818281. The reversal of 818274 is 472818.

818274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

818274 is an admirable number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 818274.

It is an unprimeable number.

818274 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, 68184 + ... + 68195.

It is an arithmetic number, because the mean of its divisors is an integer number (204570).

2⁸¹⁸²⁷⁴ is an apocalyptic number.

818274 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.

818274 is a wasteful number, since it uses less digits than its factorization.

818274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136384.

The product of its digits is 3584, while the sum is 30.

The square root of 818274 is about 904.5849877154. The cubic root of 818274 is about 93.5332985957.

It can be divided in two parts, 8182 and 74, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 818274 in words is "eight hundred eighteen thousand, two hundred seventy-four".