284115481 has 16 divisors (see below), whose sum is σ = 320576256. Its totient is φ = 249834816.

The previous prime is 284115479. The next prime is 284115499. The reversal of 284115481 is 184511482.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 284115481 - 2¹ = 284115479 is a prime.

It is a super-2 number, since 2×284115481² = 161443213087722722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (284115401) 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 15 ways as a sum of consecutive naturals, for example, 76831 + ... + 80443.

It is an arithmetic number, because the mean of its divisors is an integer number (20036016).

Almost surely, 2^284115481 is an apocalyptic number.

It is an amenable number.

284115481 is a deficient number, since it is larger than the sum of its proper divisors (36460775).

284115481 is a wasteful number, since it uses less digits than its factorization.

284115481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 10240, while the sum is 34.

The square root of 284115481 is about 16855.7254664402. The cubic root of 284115481 is about 657.4029260996.

The spelling of 284115481 in words is "two hundred eighty-four million, one hundred fifteen thousand, four hundred eighty-one".