848391 has 4 divisors (see below), whose sum is σ = 1131192. Its totient is φ = 565592.

The previous prime is 848387. The next prime is 848399. The reversal of 848391 is 193848.

848391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 848391 - 2² = 848387 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (848399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141396 + ... + 141401.

It is an arithmetic number, because the mean of its divisors is an integer number (282798).

2⁸⁴⁸³⁹¹ is an apocalyptic number.

848391 is a deficient number, since it is larger than the sum of its proper divisors (282801).

848391 is a wasteful number, since it uses less digits than its factorization.

848391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282800.

The product of its digits is 6912, while the sum is 33.

The square root of 848391 is about 921.0814296250. The cubic root of 848391 is about 94.6670151963.

The spelling of 848391 in words is "eight hundred forty-eight thousand, three hundred ninety-one".