6449908 has 6 divisors (see below), whose sum is σ = 11287346. Its totient is φ = 3224952.

The previous prime is 6449903. The next prime is 6449909. The reversal of 6449908 is 8099446.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 8464 = 2538^2 + 92^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806235 + ... + 806242.

Almost surely, 2^6449908 is an apocalyptic number.

It is an amenable number.

6449908 is a deficient number, since it is larger than the sum of its proper divisors (4837438).

6449908 is a wasteful number, since it uses less digits than its factorization.

6449908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612481 (or 1612479 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6449908 is about 2539.6669072932. Note that the first 3 decimals coincide. The cubic root of 6449908 is about 186.1449134679.

The spelling of 6449908 in words is "six million, four hundred forty-nine thousand, nine hundred eight".