628004329 has 2 divisors, whose sum is σ = 628004330. Its totient is φ = 628004328.

The previous prime is 628004317. The next prime is 628004341. The reversal of 628004329 is 923400826.

It is a balanced prime because it is at equal distance from previous prime (628004317) and next prime (628004341).

It can be written as a sum of positive squares in only one way, i.e., 628003600 + 729 = 25060^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 628004329 - 2²⁹ = 91133417 is a prime.

628004329 is a modest number, since divided by 4329 gives 628 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 628004294 and 628004303.

It is not a weakly prime, because it can be changed into another prime (628004369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314002164 + 314002165.

It is an arithmetic number, because the mean of its divisors is an integer number (314002165).

Almost surely, 2^628004329 is an apocalyptic number.

It is an amenable number.

628004329 is a deficient number, since it is larger than the sum of its proper divisors (1).

628004329 is an equidigital number, since it uses as much as digits as its factorization.

628004329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 628004329 is about 25060.0145450876. The cubic root of 628004329 is about 856.3557388447.

The spelling of 628004329 in words is "six hundred twenty-eight million, four thousand, three hundred twenty-nine".