284408042 has 4 divisors (see below), whose sum is σ = 426612066. Its totient is φ = 142204020.

The previous prime is 284408023. The next prime is 284408077. The reversal of 284408042 is 240804482.

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., 184987201 + 99420841 = 13601^2 + 9971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71102009 + ... + 71102012.

Almost surely, 2^284408042 is an apocalyptic number.

284408042 is a deficient number, since it is larger than the sum of its proper divisors (142204024).

284408042 is a wasteful number, since it uses less digits than its factorization.

284408042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142204023.

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 284408042 is about 16864.4016199805. The cubic root of 284408042 is about 657.6284969116.

The spelling of 284408042 in words is "two hundred eighty-four million, four hundred eight thousand, forty-two".