320234189 has 16 divisors (see below), whose sum is σ = 368746560. Its totient is φ = 275040000.

The previous prime is 320234179. The next prime is 320234191. The reversal of 320234189 is 981432023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320234189 - 2²⁰ = 319185613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320234119) 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, 81899 + ... + 85719.

It is an arithmetic number, because the mean of its divisors is an integer number (23046660).

Almost surely, 2^320234189 is an apocalyptic number.

It is an amenable number.

320234189 is a deficient number, since it is larger than the sum of its proper divisors (48512371).

320234189 is a wasteful number, since it uses less digits than its factorization.

320234189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 320234189 is about 17895.0884043639. The cubic root of 320234189 is about 684.1571952983.

The spelling of 320234189 in words is "three hundred twenty million, two hundred thirty-four thousand, one hundred eighty-nine".