228039 has 8 divisors (see below), whose sum is σ = 347520. Its totient is φ = 130296.

The previous prime is 228023. The next prime is 228049. The reversal of 228039 is 930822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228039 - 2⁴ = 228023 is a prime.

228039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228049) 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, 5409 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (43440).

2²²⁸⁰³⁹ is an apocalyptic number.

228039 is a deficient number, since it is larger than the sum of its proper divisors (119481).

228039 is a wasteful number, since it uses less digits than its factorization.

228039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869.

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

The square root of 228039 is about 477.5342919624. The cubic root of 228039 is about 61.0946305115.

The spelling of 228039 in words is "two hundred twenty-eight thousand, thirty-nine".