6400496 has 10 divisors (see below), whose sum is σ = 12400992. Its totient is φ = 3200240.

The previous prime is 6400489. The next prime is 6400531. The reversal of 6400496 is 6940046.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 200000 + ... + 200031.

Almost surely, 2^6400496 is an apocalyptic number.

It is an amenable number.

6400496 is a deficient number, since it is larger than the sum of its proper divisors (6000496).

6400496 is a wasteful number, since it uses less digits than its factorization.

6400496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400039 (or 400033 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6400496 is about 2529.9201568429. The cubic root of 6400496 is about 185.6683495291.

The spelling of 6400496 in words is "six million, four hundred thousand, four hundred ninety-six".