232788816 has 200 divisors, whose sum is σ = 745488744. Its totient is φ = 69672960.

The previous prime is 232788797. The next prime is 232788821. The reversal of 232788816 is 618887232.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 223203600 = 3096^2 + 14940^2 .

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 690600 + ... + 690936.

Almost surely, 2^232788816 is an apocalyptic number.

232788816 is a gapful number since it is divisible by the number (26) 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 232788816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372744372).

232788816 is an abundant number, since it is smaller than the sum of its proper divisors (512699928).

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

232788816 is a wasteful number, since it uses less digits than its factorization.

232788816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 396 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 232788816 is about 15257.4183923756. The cubic root of 232788816 is about 615.1589832880.

The spelling of 232788816 in words is "two hundred thirty-two million, seven hundred eighty-eight thousand, eight hundred sixteen".