228930 has 32 divisors (see below), whose sum is σ = 592704. Its totient is φ = 56256.

The previous prime is 228929. The next prime is 228953. The reversal of 228930 is 39822.

It is a self number, because there is not a number n which added to its sum of digits gives 228930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (18522).

2²²⁸⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296352).

228930 is an abundant number, since it is smaller than the sum of its proper divisors (363774).

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

228930 is a wasteful number, since it uses less digits than its factorization.

228930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 228930 is about 478.4662997537. The cubic root of 228930 is about 61.1740972873.

The spelling of 228930 in words is "two hundred twenty-eight thousand, nine hundred thirty".