284042490 has 16 divisors (see below), whose sum is σ = 681702048. Its totient is φ = 75744656.

The previous prime is 284042483. The next prime is 284042513. The reversal of 284042490 is 94240482.

It is a super-2 number, since 2×284042490² = 161360272250800200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4734012 + ... + 4734071.

It is an arithmetic number, because the mean of its divisors is an integer number (42606378).

Almost surely, 2^284042490 is an apocalyptic number.

284042490 is an abundant number, since it is smaller than the sum of its proper divisors (397659558).

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

284042490 is a wasteful number, since it uses less digits than its factorization.

284042490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468093.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 284042490 is about 16853.5601580200. The cubic root of 284042490 is about 657.3466243374.

The spelling of 284042490 in words is "two hundred eighty-four million, forty-two thousand, four hundred ninety".