1085004 has 18 divisors (see below), whose sum is σ = 2742740. Its totient is φ = 361656.

The previous prime is 1085003. The next prime is 1085011. The reversal of 1085004 is 4005801.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1085003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15034 + ... + 15105.

2^1085004 is an apocalyptic number.

It is an amenable number.

1085004 is an abundant number, since it is smaller than the sum of its proper divisors (1657736).

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

1085004 is a wasteful number, since it uses less digits than its factorization.

1085004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30149 (or 30144 counting only the distinct ones).

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

The square root of 1085004 is about 1041.6352528597. The cubic root of 1085004 is about 102.7567704704.

The spelling of 1085004 in words is "one million, eighty-five thousand, four".