285038885 has 16 divisors (see below), whose sum is σ = 357471360. Its totient is φ = 217778880.

The previous prime is 285038869. The next prime is 285038903. The reversal of 285038885 is 588830582.

It is a happy number.

It is not a de Polignac number, because 285038885 - 2⁴ = 285038869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92906 + ... + 95924.

It is an arithmetic number, because the mean of its divisors is an integer number (22341960).

Almost surely, 2^285038885 is an apocalyptic number.

It is an amenable number.

285038885 is a deficient number, since it is larger than the sum of its proper divisors (72432475).

285038885 is a wasteful number, since it uses less digits than its factorization.

285038885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 285038885 is about 16883.0946511592. The cubic root of 285038885 is about 658.1143645354.

The spelling of 285038885 in words is "two hundred eighty-five million, thirty-eight thousand, eight hundred eighty-five".