4289485 has 4 divisors (see below), whose sum is σ = 5147388. Its totient is φ = 3431584.

The previous prime is 4289479. The next prime is 4289489. The reversal of 4289485 is 5849824.

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 675684 + 3613801 = 822^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 4289485 - 2¹³ = 4281293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428944 + ... + 428953.

It is an arithmetic number, because the mean of its divisors is an integer number (1286847).

Almost surely, 2^4289485 is an apocalyptic number.

It is an amenable number.

4289485 is a deficient number, since it is larger than the sum of its proper divisors (857903).

4289485 is an equidigital number, since it uses as much as digits as its factorization.

4289485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857902.

The product of its digits is 92160, while the sum is 40.

The square root of 4289485 is about 2071.1071918179. The cubic root of 4289485 is about 162.4806762032.

It can be divided in two parts, 4289 and 485, that added together give a palindrome (4774).

The spelling of 4289485 in words is "four million, two hundred eighty-nine thousand, four hundred eighty-five".