867084349 has 2 divisors, whose sum is σ = 867084350. Its totient is φ = 867084348.

The previous prime is 867084347. The next prime is 867084373. The reversal of 867084349 is 943480768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659205625 + 207878724 = 25675^2 + 14418^2 .

It is a cyclic number.

It is not a de Polignac number, because 867084349 - 2¹ = 867084347 is a prime.

Together with 867084347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867084347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433542174 + 433542175.

It is an arithmetic number, because the mean of its divisors is an integer number (433542175).

Almost surely, 2^867084349 is an apocalyptic number.

It is an amenable number.

867084349 is a deficient number, since it is larger than the sum of its proper divisors (1).

867084349 is an equidigital number, since it uses as much as digits as its factorization.

867084349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 867084349 is about 29446.2960149490. The cubic root of 867084349 is about 953.5726414273.

The spelling of 867084349 in words is "eight hundred sixty-seven million, eighty-four thousand, three hundred forty-nine".