4639329 has 8 divisors (see below), whose sum is σ = 6873120. Its totient is φ = 3092868.

The previous prime is 4639321. The next prime is 4639331. The reversal of 4639329 is 9239364.

It is a happy number.

It is not a de Polignac number, because 4639329 - 2³ = 4639321 is a prime.

4639329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4639293 and 4639302.

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 7 ways as a sum of consecutive naturals, for example, 85887 + ... + 85940.

It is an arithmetic number, because the mean of its divisors is an integer number (859140).

Almost surely, 2^4639329 is an apocalyptic number.

It is an amenable number.

4639329 is a deficient number, since it is larger than the sum of its proper divisors (2233791).

4639329 is a wasteful number, since it uses less digits than its factorization.

4639329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171836 (or 171830 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 4639329 is about 2153.9101652576. The cubic root of 4639329 is about 166.7829779224.

The spelling of 4639329 in words is "four million, six hundred thirty-nine thousand, three hundred twenty-nine".