284007434 has 4 divisors (see below), whose sum is σ = 426011154. Its totient is φ = 142003716.

The previous prime is 284007407. The next prime is 284007463. The reversal of 284007434 is 434700482.

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

It can be written as a sum of positive squares in only one way, i.e., 260919409 + 23088025 = 16153^2 + 4805^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 284007434.

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, 71001857 + ... + 71001860.

Almost surely, 2^284007434 is an apocalyptic number.

284007434 is a deficient number, since it is larger than the sum of its proper divisors (142003720).

284007434 is a wasteful number, since it uses less digits than its factorization.

284007434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142003719.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 284007434 is about 16852.5201082805. The cubic root of 284007434 is about 657.3195803889.

The spelling of 284007434 in words is "two hundred eighty-four million, seven thousand, four hundred thirty-four".