284020339 has 2 divisors, whose sum is σ = 284020340. Its totient is φ = 284020338.

The previous prime is 284020327. The next prime is 284020349. The reversal of 284020339 is 933020482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284020339 - 2⁷ = 284020211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284020339.

It is not a weakly prime, because it can be changed into another prime (284020349) 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, 142010169 + 142010170.

It is an arithmetic number, because the mean of its divisors is an integer number (142010170).

Almost surely, 2^284020339 is an apocalyptic number.

284020339 is a deficient number, since it is larger than the sum of its proper divisors (1).

284020339 is an equidigital number, since it uses as much as digits as its factorization.

284020339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 284020339 is about 16852.9029843526. The cubic root of 284020339 is about 657.3295362090.

The spelling of 284020339 in words is "two hundred eighty-four million, twenty thousand, three hundred thirty-nine".