852818 has 6 divisors (see below), whose sum is σ = 1281189. Its totient is φ = 425756.

The previous prime is 852809. The next prime is 852827. The reversal of 852818 is 818258.

It is an interprime number because it is at equal distance from previous prime (852809) and next prime (852827).

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 66049 = 887^2 + 257^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=653.

It is a super-2 number, since 2×852818² = 1454597082248, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 980 + ... + 1632.

2⁸⁵²⁸¹⁸ is an apocalyptic number.

852818 is a deficient number, since it is larger than the sum of its proper divisors (428371).

852818 is an frugal number, since it uses more digits than its factorization.

852818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 655 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 852818 is about 923.4814562296. The cubic root of 852818 is about 94.8313906740.

Multiplying 852818 by its sum of digits (32), we get a square (27290176 = 5224²).

The spelling of 852818 in words is "eight hundred fifty-two thousand, eight hundred eighteen".