428896597 has 2 divisors, whose sum is σ = 428896598. Its totient is φ = 428896596.

The previous prime is 428896591. The next prime is 428896627. The reversal of 428896597 is 795698824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426381201 + 2515396 = 20649^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 428896597 - 2¹¹ = 428894549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428896591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214448298 + 214448299.

It is an arithmetic number, because the mean of its divisors is an integer number (214448299).

Almost surely, 2^428896597 is an apocalyptic number.

It is an amenable number.

428896597 is a deficient number, since it is larger than the sum of its proper divisors (1).

428896597 is an equidigital number, since it uses as much as digits as its factorization.

428896597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 58.

The square root of 428896597 is about 20709.8188548331. The cubic root of 428896597 is about 754.1380728507.

The spelling of 428896597 in words is "four hundred twenty-eight million, eight hundred ninety-six thousand, five hundred ninety-seven".