320249834 has 8 divisors (see below), whose sum is σ = 480459360. Its totient is φ = 160096716.

The previous prime is 320249833. The next prime is 320249851. The reversal of 320249834 is 438942023.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320249794 and 320249803.

It is not an unprimeable number, because it can be changed into a prime (320249833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5597 + ... + 25919.

It is an arithmetic number, because the mean of its divisors is an integer number (60057420).

Almost surely, 2^320249834 is an apocalyptic number.

320249834 is a deficient number, since it is larger than the sum of its proper divisors (160209526).

320249834 is a wasteful number, since it uses less digits than its factorization.

320249834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28204.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 320249834 is about 17895.5255301430. The cubic root of 320249834 is about 684.1683365874.

The spelling of 320249834 in words is "three hundred twenty million, two hundred forty-nine thousand, eight hundred thirty-four".