286061266 has 4 divisors (see below), whose sum is σ = 429091902. Its totient is φ = 143030632.

The previous prime is 286061263. The next prime is 286061287. The reversal of 286061266 is 662160682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 282946041 + 3115225 = 16821^2 + 1765^2 .

It is not an unprimeable number, because it can be changed into a prime (286061263) 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, 71515315 + ... + 71515318.

Almost surely, 2^286061266 is an apocalyptic number.

286061266 is a deficient number, since it is larger than the sum of its proper divisors (143030636).

286061266 is a wasteful number, since it uses less digits than its factorization.

286061266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143030635.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 286061266 is about 16913.3457955545. The cubic root of 286061266 is about 658.9002699002.

The spelling of 286061266 in words is "two hundred eighty-six million, sixty-one thousand, two hundred sixty-six".