287395473 has 8 divisors (see below), whose sum is σ = 386775648. Its totient is φ = 189806144.

The previous prime is 287395457. The next prime is 287395519. The reversal of 287395473 is 374593782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 287395473 - 2⁴ = 287395457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (287395453) 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 in 7 ways as a sum of consecutive naturals, for example, 447336 + ... + 447977.

It is an arithmetic number, because the mean of its divisors is an integer number (48346956).

Almost surely, 2^287395473 is an apocalyptic number.

It is an amenable number.

287395473 is a deficient number, since it is larger than the sum of its proper divisors (99380175).

287395473 is a wasteful number, since it uses less digits than its factorization.

287395473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895423.

The product of its digits is 1270080, while the sum is 48.

The square root of 287395473 is about 16952.7423445294. The cubic root of 287395473 is about 659.9230649532.

It can be divided in two parts, 2873 and 95473, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 287395473 in words is "two hundred eighty-seven million, three hundred ninety-five thousand, four hundred seventy-three".