286973 has 2 divisors, whose sum is σ = 286974. Its totient is φ = 286972.

The previous prime is 286927. The next prime is 286981. The reversal of 286973 is 379682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252004 + 34969 = 502^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 286973 - 2¹⁰ = 285949 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286973.

It is not a weakly prime, because it can be changed into another prime (286073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143486 + 143487.

It is an arithmetic number, because the mean of its divisors is an integer number (143487).

2²⁸⁶⁹⁷³ is an apocalyptic number.

It is an amenable number.

286973 is a deficient number, since it is larger than the sum of its proper divisors (1).

286973 is an equidigital number, since it uses as much as digits as its factorization.

286973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 286973 is about 535.6986092944. The cubic root of 286973 is about 65.9599542807.

The spelling of 286973 in words is "two hundred eighty-six thousand, nine hundred seventy-three".