4289085 has 16 divisors (see below), whose sum is σ = 7625280. Its totient is φ = 2287440.

The previous prime is 4289057. The next prime is 4289099. The reversal of 4289085 is 5809824.

It is not a de Polignac number, because 4289085 - 2⁵ = 4289053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15751 + ... + 16020.

It is an arithmetic number, because the mean of its divisors is an integer number (476580).

Almost surely, 2^4289085 is an apocalyptic number.

4289085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4289085 is a deficient number, since it is larger than the sum of its proper divisors (3336195).

4289085 is a wasteful number, since it uses less digits than its factorization.

4289085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31785 (or 31779 counting only the distinct ones).

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

The square root of 4289085 is about 2071.0106228602. The cubic root of 4289085 is about 162.4756255354.

The spelling of 4289085 in words is "four million, two hundred eighty-nine thousand, eighty-five".