850349 has 2 divisors, whose sum is σ = 850350. Its totient is φ = 850348.

The previous prime is 850337. The next prime is 850351. The reversal of 850349 is 943058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 52900 = 893^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 850349 - 2⁸ = 850093 is a prime.

Together with 850351, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850349.

It is not a weakly prime, because it can be changed into another prime (850049) 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, 425174 + 425175.

It is an arithmetic number, because the mean of its divisors is an integer number (425175).

2⁸⁵⁰³⁴⁹ is an apocalyptic number.

It is an amenable number.

850349 is a deficient number, since it is larger than the sum of its proper divisors (1).

850349 is an equidigital number, since it uses as much as digits as its factorization.

850349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 850349 is about 922.1436981295. The cubic root of 850349 is about 94.7397865178.

The spelling of 850349 in words is "eight hundred fifty thousand, three hundred forty-nine".