4390285 has 16 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 3398080.

The previous prime is 4390283. The next prime is 4390289. The reversal of 4390285 is 5820934.

It is not a de Polignac number, because 4390285 - 2¹ = 4390283 is a prime.

4390285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29391 + ... + 29539.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^4390285 is an apocalyptic number.

It is an amenable number.

4390285 is a deficient number, since it is larger than the sum of its proper divisors (1052915).

4390285 is a wasteful number, since it uses less digits than its factorization.

4390285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4390285 is about 2095.3006944112. The cubic root of 4390285 is about 163.7435636419.

The spelling of 4390285 in words is "four million, three hundred ninety thousand, two hundred eighty-five".