6638046 has 16 divisors (see below), whose sum is σ = 13301904. Its totient is φ = 2208384.

The previous prime is 6638029. The next prime is 6638057. The reversal of 6638046 is 6408366.

It is a junction number, because it is equal to n+sod(n) for n = 6637998 and 6638016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470 + ... + 5766.

It is an arithmetic number, because the mean of its divisors is an integer number (831369).

Almost surely, 2^6638046 is an apocalyptic number.

6638046 is an abundant number, since it is smaller than the sum of its proper divisors (6663858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6638046 is a wasteful number, since it uses less digits than its factorization.

6638046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6638046 is about 2576.4405679154. The cubic root of 6638046 is about 187.9374886479.

The spelling of 6638046 in words is "six million, six hundred thirty-eight thousand, forty-six".