285120473 has 8 divisors (see below), whose sum is σ = 311344320. Its totient is φ = 258947280.

The previous prime is 285120449. The next prime is 285120491. The reversal of 285120473 is 374021582.

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 285120473 - 2⁸ = 285120217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (285129473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 23882.

It is an arithmetic number, because the mean of its divisors is an integer number (38918040).

Almost surely, 2^285120473 is an apocalyptic number.

It is an amenable number.

285120473 is a deficient number, since it is larger than the sum of its proper divisors (26223847).

285120473 is a wasteful number, since it uses less digits than its factorization.

285120473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 285120473 is about 16885.5107414612. The cubic root of 285120473 is about 658.1771502526.

The spelling of 285120473 in words is "two hundred eighty-five million, one hundred twenty thousand, four hundred seventy-three".