286354949 has 2 divisors, whose sum is σ = 286354950. Its totient is φ = 286354948.

The previous prime is 286354933. The next prime is 286355009. The reversal of 286354949 is 949453682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275792449 + 10562500 = 16607^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 286354949 - 2⁴ = 286354933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 286354897 and 286354906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286354049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143177474 + 143177475.

It is an arithmetic number, because the mean of its divisors is an integer number (143177475).

Almost surely, 2^286354949 is an apocalyptic number.

It is an amenable number.

286354949 is a deficient number, since it is larger than the sum of its proper divisors (1).

286354949 is an equidigital number, since it uses as much as digits as its factorization.

286354949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 286354949 is about 16922.0255584253. The cubic root of 286354949 is about 659.1256780528.

The spelling of 286354949 in words is "two hundred eighty-six million, three hundred fifty-four thousand, nine hundred forty-nine".