1788097 has 2 divisors, whose sum is σ = 1788098. Its totient is φ = 1788096.

The previous prime is 1788067. The next prime is 1788103. The reversal of 1788097 is 7908871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 602176 = 1089^2 + 776^2 .

It is an emirp because it is prime and its reverse (7908871) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1788097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1788037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 894048 + 894049.

It is an arithmetic number, because the mean of its divisors is an integer number (894049).

2^1788097 is an apocalyptic number.

It is an amenable number.

1788097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1788097 is an equidigital number, since it uses as much as digits as its factorization.

1788097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 1788097 is about 1337.1974424145. The cubic root of 1788097 is about 121.3753116901.

The spelling of 1788097 in words is "one million, seven hundred eighty-eight thousand, ninety-seven".