228460 has 12 divisors (see below), whose sum is σ = 479808. Its totient is φ = 91376.

The previous prime is 228457. The next prime is 228461. The reversal of 228460 is 64822.

It is not an unprimeable number, because it can be changed into a prime (228461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5692 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (39984).

2²²⁸⁴⁶⁰ is an apocalyptic number.

228460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228460 is an abundant number, since it is smaller than the sum of its proper divisors (251348).

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

228460 is a wasteful number, since it uses less digits than its factorization.

228460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 228460 is about 477.9748947382. The cubic root of 228460 is about 61.1322045336.

The spelling of 228460 in words is "two hundred twenty-eight thousand, four hundred sixty".