229891608 has 56 divisors (see below), whose sum is σ = 646290900. Its totient is φ = 76628592.

The previous prime is 229891589. The next prime is 229891639. The reversal of 229891608 is 806198922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13878 + ... + 25541.

Almost surely, 2^229891608 is an apocalyptic number.

It is an amenable number.

229891608 is an abundant number, since it is smaller than the sum of its proper divisors (416399292).

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

229891608 is an equidigital number, since it uses as much as digits as its factorization.

229891608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39443 (or 39424 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 229891608 is about 15162.1768885606. The cubic root of 229891608 is about 612.5963046127.

The spelling of 229891608 in words is "two hundred twenty-nine million, eight hundred ninety-one thousand, six hundred eight".