4506639 has 8 divisors (see below), whose sum is σ = 6024192. Its totient is φ = 2996760.

The previous prime is 4506617. The next prime is 4506647. The reversal of 4506639 is 9366054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4506639 - 2⁷ = 4506511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506659) 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, 367 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (753024).

Almost surely, 2^4506639 is an apocalyptic number.

4506639 is a deficient number, since it is larger than the sum of its proper divisors (1517553).

4506639 is a wasteful number, since it uses less digits than its factorization.

4506639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 4506639 is about 2122.8845941313. The cubic root of 4506639 is about 165.1775132719.

The spelling of 4506639 in words is "four million, five hundred six thousand, six hundred thirty-nine".