4087585 has 8 divisors (see below), whose sum is σ = 4925736. Its totient is φ = 3256320.

The previous prime is 4087513. The next prime is 4087597. The reversal of 4087585 is 5857804.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 3474496 = 783^2 + 1864^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4087585 - 2¹¹ = 4085537 is a prime.

It is a super-2 number, since 2×4087585² = 33416702264450, which contains 22 as substring.

It is a Duffinian number.

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, 306 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (615717).

Almost surely, 2^4087585 is an apocalyptic number.

It is an amenable number.

4087585 is a deficient number, since it is larger than the sum of its proper divisors (838151).

4087585 is a wasteful number, since it uses less digits than its factorization.

4087585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 4087585 is about 2021.7776831294. Note that the first 3 decimals coincide. The cubic root of 4087585 is about 159.8903545664.

The spelling of 4087585 in words is "four million, eighty-seven thousand, five hundred eighty-five".