6449768 has 16 divisors (see below), whose sum is σ = 13023780. Its totient is φ = 2976768.

The previous prime is 6449761. The next prime is 6449777. The reversal of 6449768 is 8679446.

It can be written as a sum of positive squares in 2 ways, for example, as 6240004 + 209764 = 2498^2 + 458^2 .

It is not an unprimeable number, because it can be changed into a prime (6449761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30905 + ... + 31112.

Almost surely, 2^6449768 is an apocalyptic number.

It is an amenable number.

6449768 is an abundant number, since it is smaller than the sum of its proper divisors (6574012).

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

6449768 is a wasteful number, since it uses less digits than its factorization.

6449768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62036 (or 62032 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 6449768 is about 2539.6393444739. The cubic root of 6449768 is about 186.1435666540.

The spelling of 6449768 in words is "six million, four hundred forty-nine thousand, seven hundred sixty-eight".