6496421 has 8 divisors (see below), whose sum is σ = 6624288. Its totient is φ = 6370000.

The previous prime is 6496417. The next prime is 6496433. The reversal of 6496421 is 1246946.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6496421 - 2² = 6496417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6496471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12986 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (828036).

Almost surely, 2^6496421 is an apocalyptic number.

It is an amenable number.

6496421 is a deficient number, since it is larger than the sum of its proper divisors (127867).

6496421 is a wasteful number, since it uses less digits than its factorization.

6496421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 10368, while the sum is 32.

The square root of 6496421 is about 2548.8077605029. The cubic root of 6496421 is about 186.5912985844.

The spelling of 6496421 in words is "six million, four hundred ninety-six thousand, four hundred twenty-one".