286440241 has 8 divisors (see below), whose sum is σ = 287878880. Its totient is φ = 285005952.

The previous prime is 286440239. The next prime is 286440263. The reversal of 286440241 is 142044682.

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 286440241 - 2¹ = 286440239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (286440211) 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 7 ways as a sum of consecutive naturals, for example, 254506 + ... + 255628.

It is an arithmetic number, because the mean of its divisors is an integer number (35984860).

Almost surely, 2^286440241 is an apocalyptic number.

It is an amenable number.

286440241 is a deficient number, since it is larger than the sum of its proper divisors (1438639).

286440241 is a wasteful number, since it uses less digits than its factorization.

286440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 286440241 is about 16924.5455182702. The cubic root of 286440241 is about 659.1911126552.

The spelling of 286440241 in words is "two hundred eighty-six million, four hundred forty thousand, two hundred forty-one".