320043006 has 24 divisors (see below), whose sum is σ = 694777824. Its totient is φ = 106473120.

The previous prime is 320042993. The next prime is 320043029. The reversal of 320043006 is 600340023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 320043006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7686 + ... + 26441.

It is an arithmetic number, because the mean of its divisors is an integer number (28949076).

Almost surely, 2^320043006 is an apocalyptic number.

320043006 is an abundant number, since it is smaller than the sum of its proper divisors (374734818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320043006 is a wasteful number, since it uses less digits than its factorization.

320043006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34656 (or 34653 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 320043006 is about 17889.7458338569. The cubic root of 320043006 is about 684.0210186421.

Adding to 320043006 its reverse (600340023), we get a palindrome (920383029).

The spelling of 320043006 in words is "three hundred twenty million, forty-three thousand, six".