285205048 has 32 divisors (see below), whose sum is σ = 565390800. Its totient is φ = 134500608.

The previous prime is 285205027. The next prime is 285205051. The reversal of 285205048 is 840502582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31390 + ... + 39442.

Almost surely, 2^285205048 is an apocalyptic number.

It is an amenable number.

285205048 is a deficient number, since it is larger than the sum of its proper divisors (280185752).

285205048 is a wasteful number, since it uses less digits than its factorization.

285205048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 285205048 is about 16888.0149218314. The cubic root of 285205048 is about 658.2422219617.

The spelling of 285205048 in words is "two hundred eighty-five million, two hundred five thousand, forty-eight".