4085646 has 16 divisors (see below), whose sum is σ = 8601600. Its totient is φ = 1290168.

The previous prime is 4085639. The next prime is 4085657. The reversal of 4085646 is 6465804.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17806 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^4085646 is an apocalyptic number.

4085646 is an abundant number, since it is smaller than the sum of its proper divisors (4515954).

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

4085646 is a wasteful number, since it uses less digits than its factorization.

4085646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35863.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4085646 is about 2021.2980977580. The cubic root of 4085646 is about 159.8650685330.

The spelling of 4085646 in words is "four million, eighty-five thousand, six hundred forty-six".