234405328 has 40 divisors (see below), whose sum is σ = 478415808. Its totient is φ = 111040512.

The previous prime is 234405277. The next prime is 234405343. The reversal of 234405328 is 823504432.

It is a self number, because there is not a number n which added to its sum of digits gives 234405328.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36400 + ... + 42352.

Almost surely, 2^234405328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234405328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239207904).

234405328 is an abundant number, since it is smaller than the sum of its proper divisors (244010480).

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

234405328 is a wasteful number, since it uses less digits than its factorization.

234405328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091 (or 6085 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 234405328 is about 15310.3013686864. The cubic root of 234405328 is about 616.5796113129.

The spelling of 234405328 in words is "two hundred thirty-four million, four hundred five thousand, three hundred twenty-eight".