4028285 has 8 divisors (see below), whose sum is σ = 5088480. Its totient is φ = 3052944.

The previous prime is 4028281. The next prime is 4028287. The reversal of 4028285 is 5828204.

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

It is a cyclic number.

It is not a de Polignac number, because 4028285 - 2² = 4028281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21107 + ... + 21296.

It is an arithmetic number, because the mean of its divisors is an integer number (636060).

Almost surely, 2^4028285 is an apocalyptic number.

It is an amenable number.

4028285 is a deficient number, since it is larger than the sum of its proper divisors (1060195).

4028285 is a wasteful number, since it uses less digits than its factorization.

4028285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42427.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 4028285 is about 2007.0587933591. The cubic root of 4028285 is about 159.1133903666.

The spelling of 4028285 in words is "four million, twenty-eight thousand, two hundred eighty-five".