428000603 has 2 divisors, whose sum is σ = 428000604. Its totient is φ = 428000602.

The previous prime is 428000581. The next prime is 428000609. The reversal of 428000603 is 306000824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428000603 - 2¹² = 427996507 is a prime.

It is not a weakly prime, because it can be changed into another prime (428000609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214000301 + 214000302.

It is an arithmetic number, because the mean of its divisors is an integer number (214000302).

Almost surely, 2^428000603 is an apocalyptic number.

428000603 is a deficient number, since it is larger than the sum of its proper divisors (1).

428000603 is an equidigital number, since it uses as much as digits as its factorization.

428000603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 428000603 is about 20688.1754391246. The cubic root of 428000603 is about 753.6125582551.

The spelling of 428000603 in words is "four hundred twenty-eight million, six hundred three", and thus it is an aban number.