1730089 has 2 divisors, whose sum is σ = 1730090. Its totient is φ = 1730088.

The previous prime is 1730087. The next prime is 1730101. The reversal of 1730089 is 9800371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 714025 = 1008^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730089 - 2¹ = 1730087 is a prime.

Together with 1730087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1730081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865044 + 865045.

It is an arithmetic number, because the mean of its divisors is an integer number (865045).

2^1730089 is an apocalyptic number.

It is an amenable number.

1730089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730089 is an equidigital number, since it uses as much as digits as its factorization.

1730089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1730089 is about 1315.3284760850. The cubic root of 1730089 is about 120.0483370083.

The spelling of 1730089 in words is "one million, seven hundred thirty thousand, eighty-nine".