6428203 has 4 divisors (see below), whose sum is σ = 6500520. Its totient is φ = 6355888.

The previous prime is 6428197. The next prime is 6428207. The reversal of 6428203 is 3028246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6428203 - 2⁵ = 6428171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36025 + ... + 36202.

It is an arithmetic number, because the mean of its divisors is an integer number (1625130).

Almost surely, 2^6428203 is an apocalyptic number.

6428203 is a deficient number, since it is larger than the sum of its proper divisors (72317).

6428203 is an equidigital number, since it uses as much as digits as its factorization.

6428203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72316.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6428203 is about 2535.3901080504. The cubic root of 6428203 is about 185.9358760727.

The spelling of 6428203 in words is "six million, four hundred twenty-eight thousand, two hundred three".