230950728 has 96 divisors (see below), whose sum is σ = 660441600. Its totient is φ = 72762624.

The previous prime is 230950723. The next prime is 230950739. The reversal of 230950728 is 827059032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 230950692 and 230950701.

It is not an unprimeable number, because it can be changed into a prime (230950723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146601 + ... + 148167.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^230950728 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 230950728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330220800).

230950728 is an abundant number, since it is smaller than the sum of its proper divisors (429490872).

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

230950728 is a wasteful number, since it uses less digits than its factorization.

230950728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 230950728 is about 15197.0631373302. The cubic root of 230950728 is about 613.5356156455.

The spelling of 230950728 in words is "two hundred thirty million, nine hundred fifty thousand, seven hundred twenty-eight".