284480628 has 24 divisors (see below), whose sum is σ = 665454720. Its totient is φ = 94588800.

The previous prime is 284480621. The next prime is 284480641. The reversal of 284480628 is 826084482.

It is a self number, because there is not a number n which added to its sum of digits gives 284480628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284480621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24748 + ... + 34371.

It is an arithmetic number, because the mean of its divisors is an integer number (27727280).

Almost surely, 2^284480628 is an apocalyptic number.

It is an amenable number.

284480628 is an abundant number, since it is smaller than the sum of its proper divisors (380974092).

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

284480628 is a wasteful number, since it uses less digits than its factorization.

284480628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59527 (or 59525 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 284480628 is about 16866.5535305824. The cubic root of 284480628 is about 657.6844383229.

The spelling of 284480628 in words is "two hundred eighty-four million, four hundred eighty thousand, six hundred twenty-eight".