6420896 has 24 divisors (see below), whose sum is σ = 12729024. Its totient is φ = 3188160.

The previous prime is 6420893. The next prime is 6420899. The reversal of 6420896 is 6980246.

6420896 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6420893) and next prime (6420899).

It is not an unprimeable number, because it can be changed into a prime (6420893) 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, 4601 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (530376).

Almost surely, 2^6420896 is an apocalyptic number.

It is an amenable number.

6420896 is a deficient number, since it is larger than the sum of its proper divisors (6308128).

6420896 is a wasteful number, since it uses less digits than its factorization.

6420896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 6420896 is about 2533.9486971918. The cubic root of 6420896 is about 185.8653976636.

The spelling of 6420896 in words is "six million, four hundred twenty thousand, eight hundred ninety-six".