818452 has 6 divisors (see below), whose sum is σ = 1432298. Its totient is φ = 409224.

The previous prime is 818429. The next prime is 818453. The reversal of 818452 is 254818.

818452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 767376 + 51076 = 876^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 818452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818453) by changing a digit.

818452 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 as a sum of consecutive naturals, namely, 102303 + ... + 102310.

2⁸¹⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

818452 is a deficient number, since it is larger than the sum of its proper divisors (613846).

818452 is a wasteful number, since it uses less digits than its factorization.

818452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204617 (or 204615 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 818452 is about 904.6833700251. The cubic root of 818452 is about 93.5400802361.

The spelling of 818452 in words is "eight hundred eighteen thousand, four hundred fifty-two".