1713989 has 2 divisors, whose sum is σ = 1713990. Its totient is φ = 1713988.

The previous prime is 1713979. The next prime is 1713997. The reversal of 1713989 is 9893171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 693889 = 1010^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 1713989 - 2¹⁶ = 1648453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1713919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856994 + 856995.

It is an arithmetic number, because the mean of its divisors is an integer number (856995).

2^1713989 is an apocalyptic number.

It is an amenable number.

1713989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1713989 is an equidigital number, since it uses as much as digits as its factorization.

1713989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 1713989 is about 1309.1940268730. The cubic root of 1713989 is about 119.6747907503.

The spelling of 1713989 in words is "one million, seven hundred thirteen thousand, nine hundred eighty-nine".