1065889 has 12 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 924440.

The previous prime is 1065887. The next prime is 1065893. The reversal of 1065889 is 9885601.

It is not a de Polignac number, because 1065889 - 2¹ = 1065887 is a prime.

It is a super-2 number, since 2×1065889² = 2272238720642, which contains 22 as substring.

It is a Duffinian number.

1065889 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065887) 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 in 11 ways as a sum of consecutive naturals, for example, 2592 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (102144).

2^1065889 is an apocalyptic number.

It is an amenable number.

1065889 is a deficient number, since it is larger than the sum of its proper divisors (159839).

1065889 is a wasteful number, since it uses less digits than its factorization.

1065889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1065889 is about 1032.4190040870. The cubic root of 1065889 is about 102.1497543948.

It can be divided in two parts, 106 and 5889, that added together give a palindrome (5995).

The spelling of 1065889 in words is "one million, sixty-five thousand, eight hundred eighty-nine".