233664380 has 24 divisors (see below), whose sum is σ = 491076432. Its totient is φ = 93393152.

The previous prime is 233664373. The next prime is 233664419. The reversal of 233664380 is 83466332.

233664380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 233664380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27299 + ... + 34821.

It is an arithmetic number, because the mean of its divisors is an integer number (20461518).

Almost surely, 2^233664380 is an apocalyptic number.

233664380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233664380 is an abundant number, since it is smaller than the sum of its proper divisors (257412052).

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

233664380 is a wasteful number, since it uses less digits than its factorization.

233664380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 233664380 is about 15286.0845215510. The cubic root of 233664380 is about 615.9292625525.

The spelling of 233664380 in words is "two hundred thirty-three million, six hundred sixty-four thousand, three hundred eighty".