6400968 has 48 divisors (see below), whose sum is σ = 18618480. Its totient is φ = 1828512.

The previous prime is 6400957. The next prime is 6400981. The reversal of 6400968 is 8690046.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1546 + ... + 3897.

It is an arithmetic number, because the mean of its divisors is an integer number (387885).

Almost surely, 2^6400968 is an apocalyptic number.

It is an amenable number.

6400968 is an abundant number, since it is smaller than the sum of its proper divisors (12217512).

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

6400968 is a wasteful number, since it uses less digits than its factorization.

6400968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6400968 is about 2530.0134386995. The cubic root of 6400968 is about 185.6729134101.

The spelling of 6400968 in words is "six million, four hundred thousand, nine hundred sixty-eight".