6409964 has 12 divisors (see below), whose sum is σ = 12237288. Its totient is φ = 2913600.

The previous prime is 6409943. The next prime is 6410009. The reversal of 6409964 is 4699046.

6409964 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72797 + ... + 72884.

It is an arithmetic number, because the mean of its divisors is an integer number (1019774).

Almost surely, 2^6409964 is an apocalyptic number.

It is an amenable number.

6409964 is a deficient number, since it is larger than the sum of its proper divisors (5827324).

6409964 is a wasteful number, since it uses less digits than its factorization.

6409964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145696 (or 145694 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6409964 is about 2531.7906706519. The cubic root of 6409964 is about 185.7598550334.

The spelling of 6409964 in words is "six million, four hundred nine thousand, nine hundred sixty-four".