6663039 has 8 divisors (see below), whose sum is σ = 8901120. Its totient is φ = 4433496.

The previous prime is 6663029. The next prime is 6663043. The reversal of 6663039 is 9303666.

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

It is not a de Polignac number, because 6663039 - 2⁷ = 6662911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663029) 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, 9 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (1112640).

Almost surely, 2^6663039 is an apocalyptic number.

6663039 is a deficient number, since it is larger than the sum of its proper divisors (2238081).

6663039 is a wasteful number, since it uses less digits than its factorization.

6663039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 6663039 is about 2581.2863072507. The cubic root of 6663039 is about 188.1730619320.

The spelling of 6663039 in words is "six million, six hundred sixty-three thousand, thirty-nine".