285055685 has 8 divisors (see below), whose sum is σ = 342334080. Its totient is φ = 227866384.

The previous prime is 285055681. The next prime is 285055717. The reversal of 285055685 is 586550582.

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 285055685 - 2² = 285055681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285055681) 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, 15017 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (42791760).

Almost surely, 2^285055685 is an apocalyptic number.

It is an amenable number.

285055685 is a deficient number, since it is larger than the sum of its proper divisors (57278395).

285055685 is a wasteful number, since it uses less digits than its factorization.

285055685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44547.

The product of its (nonzero) digits is 480000, while the sum is 44.

The square root of 285055685 is about 16883.5921829450. The cubic root of 285055685 is about 658.1272938872.

The spelling of 285055685 in words is "two hundred eighty-five million, fifty-five thousand, six hundred eighty-five".