233609385 has 16 divisors (see below), whose sum is σ = 374419584. Its totient is φ = 124376832.

The previous prime is 233609371. The next prime is 233609419. The reversal of 233609385 is 583906332.

It is not a de Polignac number, because 233609385 - 2⁵ = 233609353 is a prime.

It is a Curzon number.

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, 4237 + ... + 22026.

It is an arithmetic number, because the mean of its divisors is an integer number (23401224).

Almost surely, 2^233609385 is an apocalyptic number.

It is an amenable number.

233609385 is a deficient number, since it is larger than the sum of its proper divisors (140810199).

233609385 is a wasteful number, since it uses less digits than its factorization.

233609385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26864.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 233609385 is about 15284.2855573952. The cubic root of 233609385 is about 615.8809372756.

The spelling of 233609385 in words is "two hundred thirty-three million, six hundred nine thousand, three hundred eighty-five".