839087 has 2 divisors, whose sum is σ = 839088. Its totient is φ = 839086.

The previous prime is 839071. The next prime is 839117. The reversal of 839087 is 780938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 839087 - 2⁴ = 839071 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419543 + 419544.

It is an arithmetic number, because the mean of its divisors is an integer number (419544).

2⁸³⁹⁰⁸⁷ is an apocalyptic number.

839087 is a deficient number, since it is larger than the sum of its proper divisors (1).

839087 is an equidigital number, since it uses as much as digits as its factorization.

839087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 839087 is about 916.0169212411. The cubic root of 839087 is about 94.3196826534.

The spelling of 839087 in words is "eight hundred thirty-nine thousand, eighty-seven".