284340481 has 8 divisors (see below), whose sum is σ = 285735560. Its totient is φ = 282949632.

The previous prime is 284340473. The next prime is 284340499. The reversal of 284340481 is 184043482.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159794881 + 124545600 = 12641^2 + 11160^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 284340481 - 2³ = 284340473 is a prime.

It is a super-2 number, since 2×284340481² = 161699018270622722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284320481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274741 + ... + 275773.

It is an arithmetic number, because the mean of its divisors is an integer number (35716945).

Almost surely, 2^284340481 is an apocalyptic number.

It is an amenable number.

284340481 is a deficient number, since it is larger than the sum of its proper divisors (1395079).

284340481 is a wasteful number, since it uses less digits than its factorization.

284340481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 284340481 is about 16862.3984355726. The cubic root of 284340481 is about 657.5764196718.

The spelling of 284340481 in words is "two hundred eighty-four million, three hundred forty thousand, four hundred eighty-one".