320738193 has 12 divisors (see below), whose sum is σ = 464059648. Its totient is φ = 213469560.

The previous prime is 320738153. The next prime is 320738207. The reversal of 320738193 is 391837023.

It is a happy number.

It is not a de Polignac number, because 320738193 - 2¹³ = 320730001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320738113) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23893 + ... + 34818.

Almost surely, 2^320738193 is an apocalyptic number.

It is an amenable number.

320738193 is a deficient number, since it is larger than the sum of its proper divisors (143321455).

320738193 is a wasteful number, since it uses less digits than its factorization.

320738193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59324 (or 59321 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 320738193 is about 17909.1650559148. The cubic root of 320738193 is about 684.5159298686.

The spelling of 320738193 in words is "three hundred twenty million, seven hundred thirty-eight thousand, one hundred ninety-three".