285894960 has 160 divisors (see below), whose sum is σ = 977104128. Its totient is φ = 68705280.

The previous prime is 285894949. The next prime is 285894977. The reversal of 285894960 is 69498582.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133095 + ... + 135225.

Almost surely, 2^285894960 is an apocalyptic number.

285894960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285894960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488552064).

285894960 is an abundant number, since it is smaller than the sum of its proper divisors (691209168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285894960 is a wasteful number, since it uses less digits than its factorization.

285894960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 285894960 is about 16908.4286673836. The cubic root of 285894960 is about 658.7725579688.

The spelling of 285894960 in words is "two hundred eighty-five million, eight hundred ninety-four thousand, nine hundred sixty".