4809289 has 2 divisors, whose sum is σ = 4809290. Its totient is φ = 4809288.

The previous prime is 4809281. The next prime is 4809307. The reversal of 4809289 is 9829084.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 627264 = 2045^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 4809289 - 2³ = 4809281 is a prime.

It is a super-3 number, since 3×4809289³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4809281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2404644 + 2404645.

It is an arithmetic number, because the mean of its divisors is an integer number (2404645).

Almost surely, 2^4809289 is an apocalyptic number.

It is an amenable number.

4809289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4809289 is an equidigital number, since it uses as much as digits as its factorization.

4809289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4809289 is about 2193.0091199081. The cubic root of 4809289 is about 168.7952774710.

Subtracting from 4809289 its sum of digits (40), we obtain a square (4809249 = 2193²).

The spelling of 4809289 in words is "four million, eight hundred nine thousand, two hundred eighty-nine".