285646046 has 12 divisors (see below), whose sum is σ = 489787368. Its totient is φ = 122392632.

The previous prime is 285646037. The next prime is 285646061. The reversal of 285646046 is 640646582.

It is a junction number, because it is equal to n+sod(n) for n = 285645994 and 285646012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60980 + ... + 65496.

It is an arithmetic number, because the mean of its divisors is an integer number (40815614).

Almost surely, 2^285646046 is an apocalyptic number.

285646046 is a deficient number, since it is larger than the sum of its proper divisors (204141322).

285646046 is an frugal number, since it uses more digits than its factorization.

285646046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 285646046 is about 16901.0664160579. The cubic root of 285646046 is about 658.5813160240.

The spelling of 285646046 in words is "two hundred eighty-five million, six hundred forty-six thousand, forty-six".