232339809 has 16 divisors (see below), whose sum is σ = 351176000. Its totient is φ = 135452736.

The previous prime is 232339777. The next prime is 232339829. The reversal of 232339809 is 908933232.

It is not a de Polignac number, because 232339809 - 2⁵ = 232339777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232339829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156034 + ... + 157515.

It is an arithmetic number, because the mean of its divisors is an integer number (21948500).

Almost surely, 2^232339809 is an apocalyptic number.

It is an amenable number.

232339809 is a deficient number, since it is larger than the sum of its proper divisors (118836191).

232339809 is a wasteful number, since it uses less digits than its factorization.

232339809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313584.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 232339809 is about 15242.6969070437. The cubic root of 232339809 is about 614.7632190477.

The spelling of 232339809 in words is "two hundred thirty-two million, three hundred thirty-nine thousand, eight hundred nine".