4389285 has 16 divisors (see below), whose sum is σ = 7392960. Its totient is φ = 2217600.

The previous prime is 4389269. The next prime is 4389293. The reversal of 4389285 is 5829834.

It is a happy number.

It is not a de Polignac number, because 4389285 - 2⁴ = 4389269 is a prime.

It is a super-2 number, since 2×4389285² = 38531645622450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7416 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (462060).

Almost surely, 2^4389285 is an apocalyptic number.

It is an amenable number.

4389285 is a deficient number, since it is larger than the sum of its proper divisors (3003675).

4389285 is a wasteful number, since it uses less digits than its factorization.

4389285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428.

The product of its digits is 69120, while the sum is 39.

The square root of 4389285 is about 2095.0620515870. The cubic root of 4389285 is about 163.7311304325.

The spelling of 4389285 in words is "four million, three hundred eighty-nine thousand, two hundred eighty-five".