233820328 has 32 divisors (see below), whose sum is σ = 504884160. Its totient is φ = 99440640.

The previous prime is 233820319. The next prime is 233820331. The reversal of 233820328 is 823028332.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 233820328.

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, 8601 + ... + 23272.

It is an arithmetic number, because the mean of its divisors is an integer number (15777630).

Almost surely, 2^233820328 is an apocalyptic number.

233820328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

233820328 is an abundant number, since it is smaller than the sum of its proper divisors (271063832).

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

233820328 is a wasteful number, since it uses less digits than its factorization.

233820328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32017 (or 32013 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 233820328 is about 15291.1846499871. The cubic root of 233820328 is about 616.0662561555.

The spelling of 233820328 in words is "two hundred thirty-three million, eight hundred twenty thousand, three hundred twenty-eight".