233685812 has 12 divisors (see below), whose sum is σ = 422142336. Its totient is φ = 113073720.

The previous prime is 233685811. The next prime is 233685817. The reversal of 233685812 is 218586332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233685811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942158 + ... + 942405.

It is an arithmetic number, because the mean of its divisors is an integer number (35178528).

Almost surely, 2^233685812 is an apocalyptic number.

It is an amenable number.

233685812 is a deficient number, since it is larger than the sum of its proper divisors (188456524).

233685812 is a wasteful number, since it uses less digits than its factorization.

233685812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884598 (or 1884596 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 233685812 is about 15286.7855352262. The cubic root of 233685812 is about 615.9480932537.

The spelling of 233685812 in words is "two hundred thirty-three million, six hundred eighty-five thousand, eight hundred twelve".