284268730 has 96 divisors (see below), whose sum is σ = 591267600. Its totient is φ = 97929216.

The previous prime is 284268683. The next prime is 284268749. The reversal of 284268730 is 37862482.

It can be written as a sum of positive squares in 8 ways, for example, as 194909521 + 89359209 = 13961^2 + 9453^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2607916 + ... + 2608024.

Almost surely, 2^284268730 is an apocalyptic number.

284268730 is an abundant number, since it is smaller than the sum of its proper divisors (306998870).

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

284268730 is a wasteful number, since it uses less digits than its factorization.

284268730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 284268730 is about 16860.2707570193. The cubic root of 284268730 is about 657.5211036709.

The spelling of 284268730 in words is "two hundred eighty-four million, two hundred sixty-eight thousand, seven hundred thirty".