838897 has 2 divisors, whose sum is σ = 838898. Its totient is φ = 838896.

The previous prime is 838889. The next prime is 838909. The reversal of 838897 is 798838.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 314721 = 724^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 838897 - 2³ = 838889 is a prime.

It is not a weakly prime, because it can be changed into another prime (838807) by changing a digit.

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 as a sum of consecutive naturals, namely, 419448 + 419449.

It is an arithmetic number, because the mean of its divisors is an integer number (419449).

2⁸³⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

838897 is a deficient number, since it is larger than the sum of its proper divisors (1).

838897 is an equidigital number, since it uses as much as digits as its factorization.

838897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 838897 is about 915.9132054949. The cubic root of 838897 is about 94.3125629735.

The spelling of 838897 in words is "eight hundred thirty-eight thousand, eight hundred ninety-seven".