1083689 has 2 divisors, whose sum is σ = 1083690. Its totient is φ = 1083688.

The previous prime is 1083659. The next prime is 1083707. The reversal of 1083689 is 9863801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 369664 = 845^2 + 608^2 .

It is an emirp because it is prime and its reverse (9863801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083689 - 2¹² = 1079593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541844 + 541845.

It is an arithmetic number, because the mean of its divisors is an integer number (541845).

2^1083689 is an apocalyptic number.

It is an amenable number.

1083689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083689 is an equidigital number, since it uses as much as digits as its factorization.

1083689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1083689 is about 1041.0038424521. The cubic root of 1083689 is about 102.7152407374.

The spelling of 1083689 in words is "one million, eighty-three thousand, six hundred eighty-nine".