843825 has 12 divisors (see below), whose sum is σ = 1395248. Its totient is φ = 450000.

The previous prime is 843823. The next prime is 843833. The reversal of 843825 is 528348.

It is not a de Polignac number, because 843825 - 2¹ = 843823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 843792 and 843801.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 843825.

It is not an unprimeable number, because it can be changed into a prime (843823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5551 + ... + 5700.

2⁸⁴³⁸²⁵ is an apocalyptic number.

It is an amenable number.

843825 is a deficient number, since it is larger than the sum of its proper divisors (551423).

843825 is a wasteful number, since it uses less digits than its factorization.

843825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264 (or 11259 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 843825 is about 918.5994774656. The cubic root of 843825 is about 94.4968784837.

The spelling of 843825 in words is "eight hundred forty-three thousand, eight hundred twenty-five".