285486875 has 40 divisors (see below), whose sum is σ = 388938000. Its totient is φ = 208656000.

The previous prime is 285486853. The next prime is 285486889. The reversal of 285486875 is 578684582.

It is not a de Polignac number, because 285486875 - 2²⁶ = 218378011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343961 + ... + 344789.

It is an arithmetic number, because the mean of its divisors is an integer number (9723450).

Almost surely, 2^285486875 is an apocalyptic number.

285486875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285486875 is a deficient number, since it is larger than the sum of its proper divisors (103451125).

285486875 is an equidigital number, since it uses as much as digits as its factorization.

285486875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 882 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 53.

The square root of 285486875 is about 16896.3568558432. The cubic root of 285486875 is about 658.4589658577.

The spelling of 285486875 in words is "two hundred eighty-five million, four hundred eighty-six thousand, eight hundred seventy-five".