4085586 has 16 divisors (see below), whose sum is σ = 9079200. Its totient is φ = 1361844.

The previous prime is 4085579. The next prime is 4085603. The reversal of 4085586 is 6855804.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4085586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37776 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (567450).

Almost surely, 2^4085586 is an apocalyptic number.

4085586 is an abundant number, since it is smaller than the sum of its proper divisors (4993614).

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

4085586 is a wasteful number, since it uses less digits than its factorization.

4085586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75670 (or 75664 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4085586 is about 2021.2832557561. The cubic root of 4085586 is about 159.8642859598.

The spelling of 4085586 in words is "four million, eighty-five thousand, five hundred eighty-six".