285984473 has 2 divisors, whose sum is σ = 285984474. Its totient is φ = 285984472.

The previous prime is 285984469. The next prime is 285984481. The reversal of 285984473 is 374489582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285339664 + 644809 = 16892^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 285984473 - 2² = 285984469 is a prime.

It is not a weakly prime, because it can be changed into another prime (285984463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142992236 + 142992237.

It is an arithmetic number, because the mean of its divisors is an integer number (142992237).

Almost surely, 2^285984473 is an apocalyptic number.

It is an amenable number.

285984473 is a deficient number, since it is larger than the sum of its proper divisors (1).

285984473 is an equidigital number, since it uses as much as digits as its factorization.

285984473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 50.

The square root of 285984473 is about 16911.0754536783. The cubic root of 285984473 is about 658.8413041437.

The spelling of 285984473 in words is "two hundred eighty-five million, nine hundred eighty-four thousand, four hundred seventy-three".