4678389 has 24 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 2916000.

The previous prime is 4678381. The next prime is 4678397. The reversal of 4678389 is 9838764.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4678381) and next prime (4678397).

It is not a de Polignac number, because 4678389 - 2³ = 4678381 is a prime.

It is a super-3 number, since 3×4678389³ (a number of 21 digits) contains 333 as substring.

4678389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18514 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

Almost surely, 2^4678389 is an apocalyptic number.

It is an amenable number.

4678389 is a deficient number, since it is larger than the sum of its proper divisors (2528811).

4678389 is a wasteful number, since it uses less digits than its factorization.

4678389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4678389 is about 2162.9583907232. The cubic root of 4678389 is about 167.2497369070.

The spelling of 4678389 in words is "four million, six hundred seventy-eight thousand, three hundred eighty-nine".