286340441 has 2 divisors, whose sum is σ = 286340442. Its totient is φ = 286340440.

The previous prime is 286340437. The next prime is 286340489. The reversal of 286340441 is 144043682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189888400 + 96452041 = 13780^2 + 9821^2 .

It is a cyclic number.

It is not a de Polignac number, because 286340441 - 2² = 286340437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_15551618 and since 286340441 and 15551618 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 286340398 and 286340407.

It is not a weakly prime, because it can be changed into another prime (286343441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143170220 + 143170221.

It is an arithmetic number, because the mean of its divisors is an integer number (143170221).

Almost surely, 2^286340441 is an apocalyptic number.

It is an amenable number.

286340441 is a deficient number, since it is larger than the sum of its proper divisors (1).

286340441 is an equidigital number, since it uses as much as digits as its factorization.

286340441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 286340441 is about 16921.5968809093. The cubic root of 286340441 is about 659.1145464638.

The spelling of 286340441 in words is "two hundred eighty-six million, three hundred forty thousand, four hundred forty-one".