6403366 has 8 divisors (see below), whose sum is σ = 9617040. Its totient is φ = 3197688.

The previous prime is 6403363. The next prime is 6403379. The reversal of 6403366 is 6633046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6403366² = 82006192259912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 775 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (1202130).

Almost surely, 2^6403366 is an apocalyptic number.

6403366 is a deficient number, since it is larger than the sum of its proper divisors (3213674).

6403366 is a wasteful number, since it uses less digits than its factorization.

6403366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6403366 is about 2530.4873048486. The cubic root of 6403366 is about 185.6960967816.

The spelling of 6403366 in words is "six million, four hundred three thousand, three hundred sixty-six".