228093389 has 8 divisors (see below), whose sum is σ = 229720320. Its totient is φ = 226472400.

The previous prime is 228093377. The next prime is 228093409. The reversal of 228093389 is 983390822.

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

It is a cyclic number.

It is not a de Polignac number, because 228093389 - 2¹⁶ = 228027853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228093289) 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, 97544 + ... + 99854.

It is an arithmetic number, because the mean of its divisors is an integer number (28715040).

Almost surely, 2^228093389 is an apocalyptic number.

It is an amenable number.

228093389 is a deficient number, since it is larger than the sum of its proper divisors (1626931).

228093389 is a wasteful number, since it uses less digits than its factorization.

228093389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 228093389 is about 15102.7609727493. The cubic root of 228093389 is about 610.9948730019.

The spelling of 228093389 in words is "two hundred twenty-eight million, ninety-three thousand, three hundred eighty-nine".