6428803 has 2 divisors, whose sum is σ = 6428804. Its totient is φ = 6428802.

The previous prime is 6428791. The next prime is 6428809. The reversal of 6428803 is 3088246.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6428803 - 2⁹ = 6428291 is a prime.

6428803 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6428809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214401 + 3214402.

It is an arithmetic number, because the mean of its divisors is an integer number (3214402).

Almost surely, 2^6428803 is an apocalyptic number.

6428803 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428803 is an equidigital number, since it uses as much as digits as its factorization.

6428803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 6428803 is about 2535.5084302759. The cubic root of 6428803 is about 185.9416608960.

The spelling of 6428803 in words is "six million, four hundred twenty-eight thousand, eight hundred three".