284378042 has 8 divisors (see below), whose sum is σ = 459379956. Its totient is φ = 131251392.

The previous prime is 284378033. The next prime is 284378047. The reversal of 284378042 is 240873482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 225870841 + 58507201 = 15029^2 + 7649^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 284377987 and 284378005.

It is not an unprimeable number, because it can be changed into a prime (284378047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468783 + ... + 5468834.

Almost surely, 2^284378042 is an apocalyptic number.

284378042 is a deficient number, since it is larger than the sum of its proper divisors (175001914).

284378042 is a wasteful number, since it uses less digits than its factorization.

284378042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937632.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 284378042 is about 16863.5121490157. The cubic root of 284378042 is about 657.6053733876.

The spelling of 284378042 in words is "two hundred eighty-four million, three hundred seventy-eight thousand, forty-two".