228989434 has 8 divisors (see below), whose sum is σ = 345955680. Its totient is φ = 113670876.

The previous prime is 228989419. The next prime is 228989437. The reversal of 228989434 is 434989822.

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

It is not an unprimeable number, because it can be changed into a prime (228989437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411574 + ... + 412129.

It is an arithmetic number, because the mean of its divisors is an integer number (43244460).

Almost surely, 2^228989434 is an apocalyptic number.

228989434 is a deficient number, since it is larger than the sum of its proper divisors (116966246).

228989434 is a wasteful number, since it uses less digits than its factorization.

228989434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823844.

The product of its digits is 995328, while the sum is 49.

The square root of 228989434 is about 15132.3968359279. The cubic root of 228989434 is about 611.7939076374.

The spelling of 228989434 in words is "two hundred twenty-eight million, nine hundred eighty-nine thousand, four hundred thirty-four".