284869998 has 48 divisors (see below), whose sum is σ = 706707456. Its totient is φ = 81239760.

The previous prime is 284869933. The next prime is 284870011. The reversal of 284869998 is 899968482.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77715 + ... + 81297.

It is an arithmetic number, because the mean of its divisors is an integer number (14723072).

Almost surely, 2^284869998 is an apocalyptic number.

284869998 is an abundant number, since it is smaller than the sum of its proper divisors (421837458).

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

284869998 is a wasteful number, since it uses less digits than its factorization.

284869998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229 (or 4226 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The square root of 284869998 is about 16878.0922500145. The cubic root of 284869998 is about 657.9843601448.

The spelling of 284869998 in words is "two hundred eighty-four million, eight hundred sixty-nine thousand, nine hundred ninety-eight".