4780285 has 4 divisors (see below), whose sum is σ = 5736348. Its totient is φ = 3824224.

The previous prime is 4780283. The next prime is 4780291. The reversal of 4780285 is 5820874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3583449 + 1196836 = 1893^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 4780285 - 2¹ = 4780283 is a prime.

It is a super-2 number, since 2×4780285² = 45702249362450, which contains 22 as substring.

It is a Duffinian number.

4780285 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4780285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780283) 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 3 ways as a sum of consecutive naturals, for example, 478024 + ... + 478033.

It is an arithmetic number, because the mean of its divisors is an integer number (1434087).

Almost surely, 2^4780285 is an apocalyptic number.

It is an amenable number.

4780285 is a deficient number, since it is larger than the sum of its proper divisors (956063).

4780285 is an equidigital number, since it uses as much as digits as its factorization.

4780285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956062.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 4780285 is about 2186.3862879189. The cubic root of 4780285 is about 168.4552678824.

The spelling of 4780285 in words is "four million, seven hundred eighty thousand, two hundred eighty-five".