428303459 has 2 divisors, whose sum is σ = 428303460. Its totient is φ = 428303458.

The previous prime is 428303431. The next prime is 428303461. The reversal of 428303459 is 954303824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428303459 - 2¹² = 428299363 is a prime.

Together with 428303461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428303429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214151729 + 214151730.

It is an arithmetic number, because the mean of its divisors is an integer number (214151730).

Almost surely, 2^428303459 is an apocalyptic number.

428303459 is a deficient number, since it is larger than the sum of its proper divisors (1).

428303459 is an equidigital number, since it uses as much as digits as its factorization.

428303459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 428303459 is about 20695.4936882404. The cubic root of 428303459 is about 753.7902700548.

The spelling of 428303459 in words is "four hundred twenty-eight million, three hundred three thousand, four hundred fifty-nine".