234405808 has 120 divisors (see below), whose sum is σ = 576890160. Its totient is φ = 91445760.

The previous prime is 234405799. The next prime is 234405827. The reversal of 234405808 is 808504432.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110823 + ... + 1111033.

It is an arithmetic number, because the mean of its divisors is an integer number (4807418).

Almost surely, 2^234405808 is an apocalyptic number.

234405808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234405808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288445080).

234405808 is an abundant number, since it is smaller than the sum of its proper divisors (342484352).

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

234405808 is a wasteful number, since it uses less digits than its factorization.

234405808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 234405808 is about 15310.3170443985. The cubic root of 234405808 is about 616.5800321765.

The spelling of 234405808 in words is "two hundred thirty-four million, four hundred five thousand, eight hundred eight".