284528396 has 12 divisors (see below), whose sum is σ = 515094720. Its totient is φ = 137358480.

The previous prime is 284528393. The next prime is 284528417. The reversal of 284528396 is 693825482.

It is a self number, because there is not a number n which added to its sum of digits gives 284528396.

It is not an unprimeable number, because it can be changed into a prime (284528393) 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, 1226300 + ... + 1226531.

It is an arithmetic number, because the mean of its divisors is an integer number (42924560).

Almost surely, 2^284528396 is an apocalyptic number.

It is an amenable number.

284528396 is a deficient number, since it is larger than the sum of its proper divisors (230566324).

284528396 is a wasteful number, since it uses less digits than its factorization.

284528396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452864 (or 2452862 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 284528396 is about 16867.9695280730. The cubic root of 284528396 is about 657.7212475218.

The spelling of 284528396 in words is "two hundred eighty-four million, five hundred twenty-eight thousand, three hundred ninety-six".