228084393 has 16 divisors (see below), whose sum is σ = 322315200. Its totient is φ = 142972416.

The previous prime is 228084371. The next prime is 228084401. The reversal of 228084393 is 393480822.

It is not a de Polignac number, because 228084393 - 2¹² = 228080297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228084323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83158 + ... + 85856.

It is an arithmetic number, because the mean of its divisors is an integer number (20144700).

Almost surely, 2^228084393 is an apocalyptic number.

It is an amenable number.

228084393 is a deficient number, since it is larger than the sum of its proper divisors (94230807).

228084393 is a wasteful number, since it uses less digits than its factorization.

228084393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 228084393 is about 15102.4631434743. The cubic root of 228084393 is about 610.9868403533.

The spelling of 228084393 in words is "two hundred twenty-eight million, eighty-four thousand, three hundred ninety-three".