1093889 has 2 divisors, whose sum is σ = 1093890. Its totient is φ = 1093888.

The previous prime is 1093871. The next prime is 1093901. The reversal of 1093889 is 9883901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 43264 = 1025^2 + 208^2 .

It is an emirp because it is prime and its reverse (9883901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1093889 - 2⁸ = 1093633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1093289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546944 + 546945.

It is an arithmetic number, because the mean of its divisors is an integer number (546945).

2^1093889 is an apocalyptic number.

It is an amenable number.

1093889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093889 is an equidigital number, since it uses as much as digits as its factorization.

1093889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1093889 is about 1045.8914857670. The cubic root of 1093889 is about 103.0364969477.

The spelling of 1093889 in words is "one million, ninety-three thousand, eight hundred eighty-nine".