230780928 has 104 divisors (see below), whose sum is σ = 703508608. Its totient is φ = 65912832.

The previous prime is 230780909. The next prime is 230780929. The reversal of 230780928 is 829087032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230780929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84675 + ... + 87357.

Almost surely, 2^230780928 is an apocalyptic number.

230780928 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 230780928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351754304).

230780928 is an abundant number, since it is smaller than the sum of its proper divisors (472727680).

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

230780928 is an equidigital number, since it uses as much as digits as its factorization.

230780928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 230780928 is about 15191.4755043742. The cubic root of 230780928 is about 613.3852172030.

The spelling of 230780928 in words is "two hundred thirty million, seven hundred eighty thousand, nine hundred twenty-eight".