284988742 has 8 divisors (see below), whose sum is σ = 442224000. Its totient is φ = 137580744.

The previous prime is 284988727. The next prime is 284988761. The reversal of 284988742 is 247889482.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 284988742.

It is a congruent 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, 2456742 + ... + 2456857.

It is an arithmetic number, because the mean of its divisors is an integer number (55278000).

Almost surely, 2^284988742 is an apocalyptic number.

284988742 is a deficient number, since it is larger than the sum of its proper divisors (157235258).

284988742 is a wasteful number, since it uses less digits than its factorization.

284988742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913630.

The product of its digits is 2064384, while the sum is 52.

The square root of 284988742 is about 16881.6095796580. The cubic root of 284988742 is about 658.0757712468.

The spelling of 284988742 in words is "two hundred eighty-four million, nine hundred eighty-eight thousand, seven hundred forty-two".