284324890 has 8 divisors (see below), whose sum is σ = 511784820. Its totient is φ = 113729952.

The previous prime is 284324879. The next prime is 284324893. The reversal of 284324890 is 98423482.

It can be written as a sum of positive squares in 2 ways, for example, as 274332969 + 9991921 = 16563^2 + 3161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (284324893) 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 3 ways as a sum of consecutive naturals, for example, 14216235 + ... + 14216254.

Almost surely, 2^284324890 is an apocalyptic number.

284324890 is a deficient number, since it is larger than the sum of its proper divisors (227459930).

284324890 is a wasteful number, since it uses less digits than its factorization.

284324890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432496.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 284324890 is about 16861.9361284522. The cubic root of 284324890 is about 657.5644006758.

The spelling of 284324890 in words is "two hundred eighty-four million, three hundred twenty-four thousand, eight hundred ninety".