1085804 has 6 divisors (see below), whose sum is σ = 1900164. Its totient is φ = 542900.

The previous prime is 1085801. The next prime is 1085809. The reversal of 1085804 is 4085801.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1085801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135722 + ... + 135729.

It is an arithmetic number, because the mean of its divisors is an integer number (316694).

2^1085804 is an apocalyptic number.

It is an amenable number.

1085804 is a deficient number, since it is larger than the sum of its proper divisors (814360).

1085804 is a wasteful number, since it uses less digits than its factorization.

1085804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271455 (or 271453 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1085804 is about 1042.0191936812. The cubic root of 1085804 is about 102.7820192931.

The spelling of 1085804 in words is "one million, eighty-five thousand, eight hundred four".