285235952 has 20 divisors (see below), whose sum is σ = 552992880. Its totient is φ = 142528128.

The previous prime is 285235933. The next prime is 285235957. The reversal of 285235952 is 259532582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285235957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25949 + ... + 35267.

It is an arithmetic number, because the mean of its divisors is an integer number (27649644).

Almost surely, 2^285235952 is an apocalyptic number.

It is an amenable number.

285235952 is a deficient number, since it is larger than the sum of its proper divisors (267756928).

285235952 is a wasteful number, since it uses less digits than its factorization.

285235952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240 (or 11234 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 285235952 is about 16888.9298654474. The cubic root of 285235952 is about 658.2659961820.

The spelling of 285235952 in words is "two hundred eighty-five million, two hundred thirty-five thousand, nine hundred fifty-two".