428590297 has 2 divisors, whose sum is σ = 428590298. Its totient is φ = 428590296.

The previous prime is 428590291. The next prime is 428590367. The reversal of 428590297 is 792095824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 79049881 = 18696^2 + 8891^2 .

It is a cyclic number.

It is not a de Polignac number, because 428590297 - 2¹⁵ = 428557529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428590291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214295148 + 214295149.

It is an arithmetic number, because the mean of its divisors is an integer number (214295149).

Almost surely, 2^428590297 is an apocalyptic number.

It is an amenable number.

428590297 is a deficient number, since it is larger than the sum of its proper divisors (1).

428590297 is an equidigital number, since it uses as much as digits as its factorization.

428590297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 428590297 is about 20702.4224910999. The cubic root of 428590297 is about 753.9585054806.

The spelling of 428590297 in words is "four hundred twenty-eight million, five hundred ninety thousand, two hundred ninety-seven".