428683603 has 2 divisors, whose sum is σ = 428683604. Its totient is φ = 428683602.

The previous prime is 428683601. The next prime is 428683609. The reversal of 428683603 is 306386824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428683603 - 2¹ = 428683601 is a prime.

Together with 428683601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (428683601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214341801 + 214341802.

It is an arithmetic number, because the mean of its divisors is an integer number (214341802).

Almost surely, 2^428683603 is an apocalyptic number.

428683603 is a deficient number, since it is larger than the sum of its proper divisors (1).

428683603 is an equidigital number, since it uses as much as digits as its factorization.

428683603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 428683603 is about 20704.6758728554. The cubic root of 428683603 is about 754.0132148758.

The spelling of 428683603 in words is "four hundred twenty-eight million, six hundred eighty-three thousand, six hundred three".