233798820 has 48 divisors (see below), whose sum is σ = 655361280. Its totient is φ = 62277376.

The previous prime is 233798771. The next prime is 233798837. The reversal of 233798820 is 28897332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75829 + ... + 78851.

It is an arithmetic number, because the mean of its divisors is an integer number (13653360).

Almost surely, 2^233798820 is an apocalyptic number.

233798820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233798820 is an abundant number, since it is smaller than the sum of its proper divisors (421562460).

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

233798820 is a wasteful number, since it uses less digits than its factorization.

233798820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 233798820 is about 15290.4813527894. The cubic root of 233798820 is about 616.0473659255.

The spelling of 233798820 in words is "two hundred thirty-three million, seven hundred ninety-eight thousand, eight hundred twenty".