285495018 has 8 divisors (see below), whose sum is σ = 570990048. Its totient is φ = 95165004.

The previous prime is 285495011. The next prime is 285495031. The reversal of 285495018 is 810594582.

It is a happy number.

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

285495018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (285495011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23791246 + ... + 23791257.

It is an arithmetic number, because the mean of its divisors is an integer number (71373756).

Almost surely, 2^285495018 is an apocalyptic number.

285495018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285495018 is a wasteful number, since it uses less digits than its factorization.

285495018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47582508.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 285495018 is about 16896.5978232306. The cubic root of 285495018 is about 658.4652262511.

The spelling of 285495018 in words is "two hundred eighty-five million, four hundred ninety-five thousand, eighteen".