4285215 has 36 divisors (see below), whose sum is σ = 8174712. Its totient is φ = 2075040.

The previous prime is 4285201. The next prime is 4285217. The reversal of 4285215 is 5125824.

It is a happy number.

It is not a de Polignac number, because 4285215 - 2⁷ = 4285087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5052 + ... + 5838.

Almost surely, 2^4285215 is an apocalyptic number.

4285215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4285215 is a deficient number, since it is larger than the sum of its proper divisors (3889497).

4285215 is a wasteful number, since it uses less digits than its factorization.

4285215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 806 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4285215 is about 2070.0760855582. The cubic root of 4285215 is about 162.4267441011.

The spelling of 4285215 in words is "four million, two hundred eighty-five thousand, two hundred fifteen".