228543846 has 8 divisors (see below), whose sum is σ = 457087704. Its totient is φ = 76181280.

The previous prime is 228543841. The next prime is 228543853. The reversal of 228543846 is 648345822.

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

228543846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 228543798 and 228543807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228543841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19045315 + ... + 19045326.

It is an arithmetic number, because the mean of its divisors is an integer number (57135963).

Almost surely, 2^228543846 is an apocalyptic number.

228543846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228543846 is a wasteful number, since it uses less digits than its factorization.

228543846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38090646.

The product of its digits is 368640, while the sum is 42.

The square root of 228543846 is about 15117.6666850410. Note that the first 4 decimals coincide. The cubic root of 228543846 is about 611.3968223046.

The spelling of 228543846 in words is "two hundred twenty-eight million, five hundred forty-three thousand, eight hundred forty-six".