285876328 has 8 divisors (see below), whose sum is σ = 536018130. Its totient is φ = 142938160.

The previous prime is 285876323. The next prime is 285876377. The reversal of 285876328 is 823678582.

It is a happy number.

285876328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 191047684 + 94828644 = 13822^2 + 9738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (285876323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17867263 + ... + 17867278.

Almost surely, 2^285876328 is an apocalyptic number.

It is an amenable number.

285876328 is a deficient number, since it is larger than the sum of its proper divisors (250141802).

285876328 is a wasteful number, since it uses less digits than its factorization.

285876328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35734547 (or 35734543 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 285876328 is about 16907.8776905914. The cubic root of 285876328 is about 658.7582467489.

The spelling of 285876328 in words is "two hundred eighty-five million, eight hundred seventy-six thousand, three hundred twenty-eight".