6338689 has 6 divisors (see below), whose sum is σ = 7373634. Its totient is φ = 5433120.

The previous prime is 6338653. The next prime is 6338701. The reversal of 6338689 is 9868336.

It can be written as a sum of positive squares in only one way, i.e., 5798464 + 540225 = 2408^2 + 735^2 .

It is not a de Polignac number, because 6338689 - 2¹¹ = 6336641 is a prime.

It is a Duffinian number.

6338689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6338789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64632 + ... + 64729.

It is an arithmetic number, because the mean of its divisors is an integer number (1228939).

Almost surely, 2^6338689 is an apocalyptic number.

It is an amenable number.

6338689 is a deficient number, since it is larger than the sum of its proper divisors (1034945).

6338689 is a wasteful number, since it uses less digits than its factorization.

6338689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129375 (or 129368 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 6338689 is about 2517.6753166364. The cubic root of 6338689 is about 185.0687740404.

The spelling of 6338689 in words is "six million, three hundred thirty-eight thousand, six hundred eighty-nine".