233704640 has 56 divisors (see below), whose sum is σ = 599328240. Its totient is φ = 86289408.

The previous prime is 233704621. The next prime is 233704687. The reversal of 233704640 is 46407332.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 32249.

It is an arithmetic number, because the mean of its divisors is an integer number (10702290).

Almost surely, 2^233704640 is an apocalyptic number.

233704640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233704640 is an abundant number, since it is smaller than the sum of its proper divisors (365623600).

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

233704640 is a wasteful number, since it uses less digits than its factorization.

233704640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56209 (or 56199 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 233704640 is about 15287.4013488232. The cubic root of 233704640 is about 615.9646350642.

The spelling of 233704640 in words is "two hundred thirty-three million, seven hundred four thousand, six hundred forty".