1670089 has 2 divisors, whose sum is σ = 1670090. Its totient is φ = 1670088.

The previous prime is 1670059. The next prime is 1670093. The reversal of 1670089 is 9800761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 242064 = 1195^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670089 - 2⁵ = 1670057 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1670089.

It is not a weakly prime, because it can be changed into another prime (1670059) 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, 835044 + 835045.

It is an arithmetic number, because the mean of its divisors is an integer number (835045).

2^1670089 is an apocalyptic number.

It is an amenable number.

1670089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670089 is an equidigital number, since it uses as much as digits as its factorization.

1670089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1670089 is about 1292.3192330071. The cubic root of 1670089 is about 118.6442071636.

The spelling of 1670089 in words is "one million, six hundred seventy thousand, eighty-nine".