6338981 has 8 divisors (see below), whose sum is σ = 6940128. Its totient is φ = 5742000.

The previous prime is 6338971. The next prime is 6338993. The reversal of 6338981 is 1898336.

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

It is not a de Polignac number, because 6338981 - 2²² = 2144677 is a prime.

It is a super-2 number, since 2×6338981² = 80365360236722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6338971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (867516).

Almost surely, 2^6338981 is an apocalyptic number.

It is an amenable number.

6338981 is a deficient number, since it is larger than the sum of its proper divisors (601147).

6338981 is a wasteful number, since it uses less digits than its factorization.

6338981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its digits is 31104, while the sum is 38.

The square root of 6338981 is about 2517.7333059719. The cubic root of 6338981 is about 185.0716158085.

The spelling of 6338981 in words is "six million, three hundred thirty-eight thousand, nine hundred eighty-one".