320096643 has 8 divisors (see below), whose sum is σ = 427392000. Its totient is φ = 213099528.

The previous prime is 320096639. The next prime is 320096663. The reversal of 320096643 is 346690023.

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

It is not a de Polignac number, because 320096643 - 2² = 320096639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320096663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72043 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (53424000).

Almost surely, 2^320096643 is an apocalyptic number.

320096643 is a deficient number, since it is larger than the sum of its proper divisors (107295357).

320096643 is a wasteful number, since it uses less digits than its factorization.

320096643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149121.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 320096643 is about 17891.2448700475. The cubic root of 320096643 is about 684.0592289089.

The spelling of 320096643 in words is "three hundred twenty million, ninety-six thousand, six hundred forty-three".