285890476 has 12 divisors (see below), whose sum is σ = 500930920. Its totient is φ = 142767360.

The previous prime is 285890467. The next prime is 285890491. The reversal of 285890476 is 674098582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40821 + ... + 47308.

Almost surely, 2^285890476 is an apocalyptic number.

It is an amenable number.

285890476 is a deficient number, since it is larger than the sum of its proper divisors (215040444).

285890476 is a wasteful number, since it uses less digits than its factorization.

285890476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88944 (or 88942 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 285890476 is about 16908.2960702727. The cubic root of 285890476 is about 658.7691138699.

The spelling of 285890476 in words is "two hundred eighty-five million, eight hundred ninety thousand, four hundred seventy-six".