849973 has 2 divisors, whose sum is σ = 849974. Its totient is φ = 849972.

The previous prime is 849967. The next prime is 849991. The reversal of 849973 is 379948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 106929 = 862^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 849973 - 2⁹ = 849461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849923) 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, 424986 + 424987.

It is an arithmetic number, because the mean of its divisors is an integer number (424987).

2⁸⁴⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

849973 is a deficient number, since it is larger than the sum of its proper divisors (1).

849973 is an equidigital number, since it uses as much as digits as its factorization.

849973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 849973 is about 921.9398028071. The cubic root of 849973 is about 94.7258207181.

The spelling of 849973 in words is "eight hundred forty-nine thousand, nine hundred seventy-three".