4639328 has 24 divisors (see below), whose sum is σ = 9221688. Its totient is φ = 2297344.

The previous prime is 4639321. The next prime is 4639331. The reversal of 4639328 is 8239364.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (384237).

Almost surely, 2^4639328 is an apocalyptic number.

It is an amenable number.

4639328 is a deficient number, since it is larger than the sum of its proper divisors (4582360).

4639328 is a wasteful number, since it uses less digits than its factorization.

4639328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1398 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 4639328 is about 2153.9099331216. The cubic root of 4639328 is about 166.7829659391.

The spelling of 4639328 in words is "four million, six hundred thirty-nine thousand, three hundred twenty-eight".