320966243 has 8 divisors (see below), whose sum is σ = 353011008. Its totient is φ = 289972224.

The previous prime is 320966207. The next prime is 320966249. The reversal of 320966243 is 342669023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320966243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320966249) 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 7 ways as a sum of consecutive naturals, for example, 262046 + ... + 263267.

It is an arithmetic number, because the mean of its divisors is an integer number (44126376).

Almost surely, 2^320966243 is an apocalyptic number.

320966243 is a deficient number, since it is larger than the sum of its proper divisors (32044765).

320966243 is a wasteful number, since it uses less digits than its factorization.

320966243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525373.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 320966243 is about 17915.5307763962. The cubic root of 320966243 is about 684.6781253689.

The spelling of 320966243 in words is "three hundred twenty million, nine hundred sixty-six thousand, two hundred forty-three".