1040085 has 24 divisors (see below), whose sum is σ = 1867320. Its totient is φ = 534912.

The previous prime is 1040071. The next prime is 1040089. The reversal of 1040085 is 5800401.

It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 933156 = 327^2 + 966^2 .

It is not a de Polignac number, because 1040085 - 2⁴ = 1040069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2^1040085 is an apocalyptic number.

1040085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040085 is a deficient number, since it is larger than the sum of its proper divisors (827235).

1040085 is a wasteful number, since it uses less digits than its factorization.

1040085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1040085 is about 1019.8455765458. The cubic root of 1040085 is about 101.3187005167.

Adding to 1040085 its reverse (5800401), we get a palindrome (6840486).

The spelling of 1040085 in words is "one million, forty thousand, eighty-five".