284049973 has 2 divisors, whose sum is σ = 284049974. Its totient is φ = 284049972.

The previous prime is 284049947. The next prime is 284050027. The reversal of 284049973 is 379940482.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237714724 + 46335249 = 15418^2 + 6807^2 .

It is a cyclic number.

It is not a de Polignac number, because 284049973 - 2¹³ = 284041781 is a prime.

It is a super-2 number, since 2×284049973² = 161368774322601458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284049173) 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, 142024986 + 142024987.

It is an arithmetic number, because the mean of its divisors is an integer number (142024987).

Almost surely, 2^284049973 is an apocalyptic number.

It is an amenable number.

284049973 is a deficient number, since it is larger than the sum of its proper divisors (1).

284049973 is an equidigital number, since it uses as much as digits as its factorization.

284049973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 284049973 is about 16853.7821571302. The cubic root of 284049973 is about 657.3523968089.

The spelling of 284049973 in words is "two hundred eighty-four million, forty-nine thousand, nine hundred seventy-three".