6438908 has 12 divisors (see below), whose sum is σ = 12877872. Its totient is φ = 2759520.

The previous prime is 6438893. The next prime is 6438911. The reversal of 6438908 is 8098346.

6438908 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114953 + ... + 115008.

It is an arithmetic number, because the mean of its divisors is an integer number (1073156).

Almost surely, 2^6438908 is an apocalyptic number.

It is an amenable number.

6438908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6438908 is a wasteful number, since it uses less digits than its factorization.

6438908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229972 (or 229970 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6438908 is about 2537.5003448276. The cubic root of 6438908 is about 186.0390329305.

The spelling of 6438908 in words is "six million, four hundred thirty-eight thousand, nine hundred eight".