1730849 has 2 divisors, whose sum is σ = 1730850. Its totient is φ = 1730848.

The previous prime is 1730831. The next prime is 1730851. The reversal of 1730849 is 9480371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 53824 = 1295^2 + 232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1730849 is a prime.

It is a Sophie Germain prime.

Together with 1730851, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1730809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865424 + 865425.

It is an arithmetic number, because the mean of its divisors is an integer number (865425).

2^1730849 is an apocalyptic number.

It is an amenable number.

1730849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730849 is an equidigital number, since it uses as much as digits as its factorization.

1730849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1730849 is about 1315.6173455834. The cubic root of 1730849 is about 120.0659128632.

The spelling of 1730849 in words is "one million, seven hundred thirty thousand, eight hundred forty-nine".