6330639 has 8 divisors (see below), whose sum is σ = 9646720. Its totient is φ = 3617496.

The previous prime is 6330631. The next prime is 6330679. The reversal of 6330639 is 9360336.

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

It is not a de Polignac number, because 6330639 - 2³ = 6330631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6330631) 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, 150709 + ... + 150750.

It is an arithmetic number, because the mean of its divisors is an integer number (1205840).

Almost surely, 2^6330639 is an apocalyptic number.

6330639 is a deficient number, since it is larger than the sum of its proper divisors (3316081).

6330639 is a wasteful number, since it uses less digits than its factorization.

6330639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301469.

The product of its (nonzero) digits is 8748, while the sum is 30.

The square root of 6330639 is about 2516.0761117264. The cubic root of 6330639 is about 184.9903963848.

The spelling of 6330639 in words is "six million, three hundred thirty thousand, six hundred thirty-nine".