1085385 has 16 divisors (see below), whose sum is σ = 1984896. Its totient is φ = 496128.

The previous prime is 1085369. The next prime is 1085389. The reversal of 1085385 is 5835801.

It is a happy number.

It is not a de Polignac number, because 1085385 - 2⁴ = 1085369 is a prime.

It is a Curzon number.

1085385 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5064 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (124056).

2^1085385 is an apocalyptic number.

1085385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085385 is a deficient number, since it is larger than the sum of its proper divisors (899511).

1085385 is a wasteful number, since it uses less digits than its factorization.

1085385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1085385 is about 1041.8181223227. The cubic root of 1085385 is about 102.7687967695.

The spelling of 1085385 in words is "one million, eighty-five thousand, three hundred eighty-five".