284578468 has 6 divisors (see below), whose sum is σ = 498012326. Its totient is φ = 142289232.

The previous prime is 284578457. The next prime is 284578493. The reversal of 284578468 is 864875482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 275626404 + 8952064 = 16602^2 + 2992^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35572305 + ... + 35572312.

Almost surely, 2^284578468 is an apocalyptic number.

It is an amenable number.

284578468 is a deficient number, since it is larger than the sum of its proper divisors (213433858).

284578468 is a wasteful number, since it uses less digits than its factorization.

284578468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71144621 (or 71144619 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The square root of 284578468 is about 16869.4536959559. The cubic root of 284578468 is about 657.7598277210.

The spelling of 284578468 in words is "two hundred eighty-four million, five hundred seventy-eight thousand, four hundred sixty-eight".