234203728 has 60 divisors (see below), whose sum is σ = 525105280. Its totient is φ = 100837440.

The previous prime is 234203719. The next prime is 234203731. The reversal of 234203728 is 827302432.

It is a self number, because there is not a number n which added to its sum of digits gives 234203728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33601 + ... + 39967.

Almost surely, 2^234203728 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 234203728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262552640).

234203728 is an abundant number, since it is smaller than the sum of its proper divisors (290901552).

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

234203728 is a wasteful number, since it uses less digits than its factorization.

234203728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 234203728 is about 15303.7161500075. The cubic root of 234203728 is about 616.4027977806.

The spelling of 234203728 in words is "two hundred thirty-four million, two hundred three thousand, seven hundred twenty-eight".