228648684 has 96 divisors (see below), whose sum is σ = 610025472. Its totient is φ = 66024000.

The previous prime is 228648643. The next prime is 228648697. The reversal of 228648684 is 486846822.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290139 + ... + 290925.

It is an arithmetic number, because the mean of its divisors is an integer number (6354432).

Almost surely, 2^228648684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228648684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305012736).

228648684 is an abundant number, since it is smaller than the sum of its proper divisors (381376788).

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

228648684 is a wasteful number, since it uses less digits than its factorization.

228648684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 228648684 is about 15121.1336876572. The cubic root of 228648684 is about 611.4902949908.

The spelling of 228648684 in words is "two hundred twenty-eight million, six hundred forty-eight thousand, six hundred eighty-four".