233688456 has 32 divisors (see below), whose sum is σ = 649135200. Its totient is φ = 77896080.

The previous prime is 233688437. The next prime is 233688491. The reversal of 233688456 is 654886332.

It is a happy number.

233688456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×233688456² = 109220588935327872, which contains 22 as substring.

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, 540730 + ... + 541161.

It is an arithmetic number, because the mean of its divisors is an integer number (20285475).

Almost surely, 2^233688456 is an apocalyptic number.

It is an amenable number.

233688456 is an abundant number, since it is smaller than the sum of its proper divisors (415446744).

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

233688456 is a wasteful number, since it uses less digits than its factorization.

233688456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081906 (or 1081896 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 233688456 is about 15286.8720149022. The cubic root of 233688456 is about 615.9504162597.

The spelling of 233688456 in words is "two hundred thirty-three million, six hundred eighty-eight thousand, four hundred fifty-six".