286850969 has 2 divisors, whose sum is σ = 286850970. Its totient is φ = 286850968.

The previous prime is 286850959. The next prime is 286850987. The reversal of 286850969 is 969058682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198246400 + 88604569 = 14080^2 + 9413^2 .

It is a cyclic number.

It is not a de Polignac number, because 286850969 - 2⁴ = 286850953 is a prime.

It is a super-2 number, since 2×286850969² = 164566956832477922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 286850969.

It is not a weakly prime, because it can be changed into another prime (286850909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143425484 + 143425485.

It is an arithmetic number, because the mean of its divisors is an integer number (143425485).

Almost surely, 2^286850969 is an apocalyptic number.

It is an amenable number.

286850969 is a deficient number, since it is larger than the sum of its proper divisors (1).

286850969 is an equidigital number, since it uses as much as digits as its factorization.

286850969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 286850969 is about 16936.6752640534. The cubic root of 286850969 is about 659.5060345859.

The spelling of 286850969 in words is "two hundred eighty-six million, eight hundred fifty thousand, nine hundred sixty-nine".