848921 has 2 divisors, whose sum is σ = 848922. Its totient is φ = 848920.

The previous prime is 848909. The next prime is 848923. The reversal of 848921 is 129848.

It is a happy number.

848921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583696 + 265225 = 764^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 848921 - 2⁶ = 848857 is a prime.

Together with 848923, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 848921.

It is not a weakly prime, because it can be changed into another prime (848923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424460 + 424461.

It is an arithmetic number, because the mean of its divisors is an integer number (424461).

2⁸⁴⁸⁹²¹ is an apocalyptic number.

It is an amenable number.

848921 is a deficient number, since it is larger than the sum of its proper divisors (1).

848921 is an equidigital number, since it uses as much as digits as its factorization.

848921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 848921 is about 921.3690899960. The cubic root of 848921 is about 94.6867242981.

The spelling of 848921 in words is "eight hundred forty-eight thousand, nine hundred twenty-one".