1085406 has 32 divisors (see below), whose sum is σ = 2542848. Its totient is φ = 302400.

The previous prime is 1085389. The next prime is 1085407. The reversal of 1085406 is 6045801.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085407) 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, 1506 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (79464).

2^1085406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271424).

1085406 is an abundant number, since it is smaller than the sum of its proper divisors (1457442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085406 is a wasteful number, since it uses less digits than its factorization.

1085406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1085406 is about 1041.8282008086. The cubic root of 1085406 is about 102.7694595546.

The spelling of 1085406 in words is "one million, eighty-five thousand, four hundred six".