826349 has 2 divisors, whose sum is σ = 826350. Its totient is φ = 826348.

The previous prime is 826339. The next prime is 826351. The reversal of 826349 is 943628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 28900 = 893^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 826349 - 2⁴ = 826333 is a prime.

Together with 826351, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

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 826349.

It is not a weakly prime, because it can be changed into another prime (826339) 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, 413174 + 413175.

It is an arithmetic number, because the mean of its divisors is an integer number (413175).

2⁸²⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

826349 is a deficient number, since it is larger than the sum of its proper divisors (1).

826349 is an equidigital number, since it uses as much as digits as its factorization.

826349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 826349 is about 909.0374029709. The cubic root of 826349 is about 93.8399646033.

The spelling of 826349 in words is "eight hundred twenty-six thousand, three hundred forty-nine".