286066385 has 12 divisors (see below), whose sum is σ = 377324724. Its totient is φ = 208047840.

The previous prime is 286066379. The next prime is 286066421. The reversal of 286066385 is 583660682.

It can be written as a sum of positive squares in 2 ways, for example, as 126877696 + 159188689 = 11264^2 + 12617^2 .

It is not a de Polignac number, because 286066385 - 2²⁸ = 17630929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 235814 + ... + 237023.

It is an arithmetic number, because the mean of its divisors is an integer number (31443727).

Almost surely, 2^286066385 is an apocalyptic number.

It is an amenable number.

286066385 is a deficient number, since it is larger than the sum of its proper divisors (91258339).

286066385 is a wasteful number, since it uses less digits than its factorization.

286066385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472864 (or 472853 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 286066385 is about 16913.4971250774. The cubic root of 286066385 is about 658.9042001659.

The spelling of 286066385 in words is "two hundred eighty-six million, sixty-six thousand, three hundred eighty-five".