284949308 has 96 divisors (see below), whose sum is σ = 649152000. Its totient is φ = 108718848.

The previous prime is 284949307. The next prime is 284949337. The reversal of 284949308 is 803949482.

It is a super-2 number, since 2×284949308² = 162392216259357728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284949307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442835 + ... + 443477.

It is an arithmetic number, because the mean of its divisors is an integer number (6762000).

Almost surely, 2^284949308 is an apocalyptic number.

284949308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284949308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324576000).

284949308 is an abundant number, since it is smaller than the sum of its proper divisors (364202692).

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

284949308 is a wasteful number, since it uses less digits than its factorization.

284949308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 284949308 is about 16880.4415819018. The cubic root of 284949308 is about 658.0454171156.

The spelling of 284949308 in words is "two hundred eighty-four million, nine hundred forty-nine thousand, three hundred eight".