843425 has 12 divisors (see below), whose sum is σ = 1141296. Its totient is φ = 613200.

The previous prime is 843397. The next prime is 843443. The reversal of 843425 is 524348.

It is not a de Polignac number, because 843425 - 2⁶ = 843361 is a prime.

It is a super-2 number, since 2×843425² = 1422731461250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 843394 and 843403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 843425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1259 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (95108).

2⁸⁴³⁴²⁵ is an apocalyptic number.

It is an amenable number.

843425 is a deficient number, since it is larger than the sum of its proper divisors (297871).

843425 is a wasteful number, since it uses less digits than its factorization.

843425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3083 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 843425 is about 918.3817289123. The cubic root of 843425 is about 94.4819446109.

The spelling of 843425 in words is "eight hundred forty-three thousand, four hundred twenty-five".