4809285 has 24 divisors (see below), whose sum is σ = 8978424. Its totient is φ = 2367360.

The previous prime is 4809281. The next prime is 4809289. The reversal of 4809285 is 5829084.

It is an interprime number because it is at equal distance from previous prime (4809281) and next prime (4809289).

It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 4088484 = 849^2 + 2022^2 .

It is not a de Polignac number, because 4809285 - 2² = 4809281 is a prime.

It is a super-3 number, since 3×4809285³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3526 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (374101).

Almost surely, 2^4809285 is an apocalyptic number.

4809285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4809285 is a deficient number, since it is larger than the sum of its proper divisors (4169139).

4809285 is a wasteful number, since it uses less digits than its factorization.

4809285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245 (or 8242 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4809285 is about 2193.0082079190. The cubic root of 4809285 is about 168.7952306739.

Subtracting from 4809285 its sum of digits (36), we obtain a square (4809249 = 2193²).

The spelling of 4809285 in words is "four million, eight hundred nine thousand, two hundred eighty-five".