233961216 has 108 divisors (see below), whose sum is σ = 645442056. Its totient is φ = 75233280.

The previous prime is 233961181. The next prime is 233961223. The reversal of 233961216 is 612169332.

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, 737890 + ... + 738206.

Almost surely, 2^233961216 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 233961216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322721028).

233961216 is an abundant number, since it is smaller than the sum of its proper divisors (411480840).

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

233961216 is an equidigital number, since it uses as much as digits as its factorization.

233961216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 353 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 233961216 is about 15295.7907935484. The cubic root of 233961216 is about 616.1899678337.

The spelling of 233961216 in words is "two hundred thirty-three million, nine hundred sixty-one thousand, two hundred sixteen".