228689608 has 32 divisors (see below), whose sum is σ = 490766400. Its totient is φ = 97866432.

The previous prime is 228689597. The next prime is 228689623. The reversal of 228689608 is 806986822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41478 + ... + 46666.

It is an arithmetic number, because the mean of its divisors is an integer number (15336450).

Almost surely, 2^228689608 is an apocalyptic number.

228689608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228689608 is an abundant number, since it is smaller than the sum of its proper divisors (262076792).

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

228689608 is a wasteful number, since it uses less digits than its factorization.

228689608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989 (or 5985 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 228689608 is about 15122.4868325286. The cubic root of 228689608 is about 611.5267747342.

The spelling of 228689608 in words is "two hundred twenty-eight million, six hundred eighty-nine thousand, six hundred eight".