4085215 has 8 divisors (see below), whose sum is σ = 5016528. Its totient is φ = 3192000.

The previous prime is 4085183. The next prime is 4085239. The reversal of 4085215 is 5125804.

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

It is not a de Polignac number, because 4085215 - 2⁵ = 4085183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4085215.

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, 9286 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (627066).

Almost surely, 2^4085215 is an apocalyptic number.

4085215 is a deficient number, since it is larger than the sum of its proper divisors (931313).

4085215 is a wasteful number, since it uses less digits than its factorization.

4085215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4085215 is about 2021.1914802908. The cubic root of 4085215 is about 159.8594468788.

The spelling of 4085215 in words is "four million, eighty-five thousand, two hundred fifteen".