286894849 has 2 divisors, whose sum is σ = 286894850. Its totient is φ = 286894848.

The previous prime is 286894837. The next prime is 286894879. The reversal of 286894849 is 948498682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 38044224 = 15775^2 + 6168^2 .

It is a cyclic number.

It is not a de Polignac number, because 286894849 - 2¹³ = 286886657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286894793 and 286894802.

It is not a weakly prime, because it can be changed into another prime (286894819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143447424 + 143447425.

It is an arithmetic number, because the mean of its divisors is an integer number (143447425).

Almost surely, 2^286894849 is an apocalyptic number.

It is an amenable number.

286894849 is a deficient number, since it is larger than the sum of its proper divisors (1).

286894849 is an equidigital number, since it uses as much as digits as its factorization.

286894849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 58.

The square root of 286894849 is about 16937.9706281479. The cubic root of 286894849 is about 659.5396613962.

The spelling of 286894849 in words is "two hundred eighty-six million, eight hundred ninety-four thousand, eight hundred forty-nine".