4639285 has 16 divisors (see below), whose sum is σ = 6443136. Its totient is φ = 3140928.

The previous prime is 4639277. The next prime is 4639289. The reversal of 4639285 is 5829364.

It is not a de Polignac number, because 4639285 - 2³ = 4639277 is a prime.

It is a super-4 number, since 4×4639285⁴ (a number of 28 digits) contains 4444 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 (4639289) by changing a digit.

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, 2107 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (402696).

Almost surely, 2^4639285 is an apocalyptic number.

It is an amenable number.

4639285 is a deficient number, since it is larger than the sum of its proper divisors (1803851).

4639285 is a wasteful number, since it uses less digits than its factorization.

4639285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its digits is 51840, while the sum is 37.

The square root of 4639285 is about 2153.8999512512. The cubic root of 4639285 is about 166.7824506569.

The spelling of 4639285 in words is "four million, six hundred thirty-nine thousand, two hundred eighty-five".