6406396 has 6 divisors (see below), whose sum is σ = 11211200. Its totient is φ = 3203196.

The previous prime is 6406381. The next prime is 6406427. The reversal of 6406396 is 6936046.

It is a zygodrome in base 2.

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, 800796 + ... + 800803.

Almost surely, 2^6406396 is an apocalyptic number.

It is an amenable number.

6406396 is a deficient number, since it is larger than the sum of its proper divisors (4804804).

6406396 is a wasteful number, since it uses less digits than its factorization.

6406396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601603 (or 1601601 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6406396 is about 2531.0859329545. The cubic root of 6406396 is about 185.7253819236.

The spelling of 6406396 in words is "six million, four hundred six thousand, three hundred ninety-six".