286688113 has 8 divisors (see below), whose sum is σ = 303808680. Its totient is φ = 270049920.

The previous prime is 286688089. The next prime is 286688137. The reversal of 286688113 is 311886682.

It is an interprime number because it is at equal distance from previous prime (286688089) and next prime (286688137).

It can be written as a sum of positive squares in 4 ways, for example, as 66699889 + 219988224 = 8167^2 + 14832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 286688113 - 2²¹ = 284590961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286688113.

It is not an unprimeable number, because it can be changed into a prime (286088113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119370 + ... + 121747.

It is an arithmetic number, because the mean of its divisors is an integer number (37976085).

Almost surely, 2^286688113 is an apocalyptic number.

It is an amenable number.

286688113 is a deficient number, since it is larger than the sum of its proper divisors (17120567).

286688113 is a wasteful number, since it uses less digits than its factorization.

286688113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241187.

The product of its digits is 110592, while the sum is 43.

The square root of 286688113 is about 16931.8667901682. The cubic root of 286688113 is about 659.3812022297.

The spelling of 286688113 in words is "two hundred eighty-six million, six hundred eighty-eight thousand, one hundred thirteen".