286116947 has 4 divisors (see below), whose sum is σ = 286303920. Its totient is φ = 285929976.

The previous prime is 286116937. The next prime is 286116973. The reversal of 286116947 is 749611682.

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

It is a cyclic number.

It is not a de Polignac number, because 286116947 - 2⁴ = 286116931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 286116898 and 286116907.

It is not an unprimeable number, because it can be changed into a prime (286116917) 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 in 3 ways as a sum of consecutive naturals, for example, 91172 + ... + 94257.

It is an arithmetic number, because the mean of its divisors is an integer number (71575980).

Almost surely, 2^286116947 is an apocalyptic number.

286116947 is a deficient number, since it is larger than the sum of its proper divisors (186973).

286116947 is a wasteful number, since it uses less digits than its factorization.

286116947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186972.

The product of its digits is 145152, while the sum is 44.

The square root of 286116947 is about 16914.9917824396. The cubic root of 286116947 is about 658.9430181388.

The spelling of 286116947 in words is "two hundred eighty-six million, one hundred sixteen thousand, nine hundred forty-seven".