285073448 has 32 divisors (see below), whose sum is σ = 583752960. Its totient is φ = 129434880.

The previous prime is 285073447. The next prime is 285073469. The reversal of 285073448 is 844370582.

It is not an unprimeable number, because it can be changed into a prime (285073447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 155465 + ... + 157287.

It is an arithmetic number, because the mean of its divisors is an integer number (18242280).

Almost surely, 2^285073448 is an apocalyptic number.

It is an amenable number.

285073448 is an abundant number, since it is smaller than the sum of its proper divisors (298679512).

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

285073448 is a wasteful number, since it uses less digits than its factorization.

285073448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 285073448 is about 16884.1182180178. The cubic root of 285073448 is about 658.1409638155.

The spelling of 285073448 in words is "two hundred eighty-five million, seventy-three thousand, four hundred forty-eight".