232985809 has 8 divisors (see below), whose sum is σ = 280283840. Its totient is φ = 189191376.

The previous prime is 232985803. The next prime is 232985813. The reversal of 232985809 is 908589232.

232985809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232985809 - 2¹⁹ = 232461521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232985803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875754 + ... + 876019.

It is an arithmetic number, because the mean of its divisors is an integer number (35035480).

Almost surely, 2^232985809 is an apocalyptic number.

It is an amenable number.

232985809 is a deficient number, since it is larger than the sum of its proper divisors (47298031).

232985809 is a wasteful number, since it uses less digits than its factorization.

232985809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751799.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 232985809 is about 15263.8726737352. The cubic root of 232985809 is about 615.3324564658.

The spelling of 232985809 in words is "two hundred thirty-two million, nine hundred eighty-five thousand, eight hundred nine".