4685439 has 16 divisors (see below), whose sum is σ = 6983424. Its totient is φ = 2769600.

The previous prime is 4685437. The next prime is 4685441. The reversal of 4685439 is 9345864.

It is an interprime number because it is at equal distance from previous prime (4685437) and next prime (4685441).

It is not a de Polignac number, because 4685439 - 2¹ = 4685437 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 6⁸ + 8 + 5⁹ + 4¹⁰ + 3² + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 4685397 and 4685406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4685431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (436464).

Almost surely, 2^4685439 is an apocalyptic number.

4685439 is a deficient number, since it is larger than the sum of its proper divisors (2297985).

4685439 is a wasteful number, since it uses less digits than its factorization.

4685439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518.

The product of its digits is 103680, while the sum is 39.

The square root of 4685439 is about 2164.5874895693. The cubic root of 4685439 is about 167.3337059015. Note that the first 3 decimals are identical.

It can be divided in two parts, 468 and 5439, that multiplied together give a palindrome (2545452).

The spelling of 4685439 in words is "four million, six hundred eighty-five thousand, four hundred thirty-nine".