284690041 has 4 divisors (see below), whose sum is σ = 301436532. Its totient is φ = 267943552.

The previous prime is 284690023. The next prime is 284690047. The reversal of 284690041 is 140096482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140185600 + 144504441 = 11840^2 + 12021^2 .

It is a cyclic number.

It is not a de Polignac number, because 284690041 - 2⁷ = 284689913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284689979 and 284690006.

It is not an unprimeable number, because it can be changed into a prime (284690047) 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, 8373220 + ... + 8373253.

It is an arithmetic number, because the mean of its divisors is an integer number (75359133).

Almost surely, 2^284690041 is an apocalyptic number.

It is an amenable number.

284690041 is a deficient number, since it is larger than the sum of its proper divisors (16746491).

284690041 is a wasteful number, since it uses less digits than its factorization.

284690041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746490.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 284690041 is about 16872.7603254476. The cubic root of 284690041 is about 657.8457778269.

The spelling of 284690041 in words is "two hundred eighty-four million, six hundred ninety thousand, forty-one".