284478042 has 8 divisors (see below), whose sum is σ = 568956096. Its totient is φ = 94826012.

The previous prime is 284478031. The next prime is 284478079. The reversal of 284478042 is 240874482.

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

284478042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23706498 + ... + 23706509.

It is an arithmetic number, because the mean of its divisors is an integer number (71119512).

Almost surely, 2^284478042 is an apocalyptic number.

284478042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284478042 is a wasteful number, since it uses less digits than its factorization.

284478042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413012.

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 284478042 is about 16866.4768698149. The cubic root of 284478042 is about 657.6824454783.

The spelling of 284478042 in words is "two hundred eighty-four million, four hundred seventy-eight thousand, forty-two".