320029868 has 6 divisors (see below), whose sum is σ = 560052276. Its totient is φ = 160014932.

The previous prime is 320029861. The next prime is 320029891. The reversal of 320029868 is 868920023.

It is a happy number.

320029868 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

320029868 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (320029861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40003730 + ... + 40003737.

It is an arithmetic number, because the mean of its divisors is an integer number (93342046).

Almost surely, 2^320029868 is an apocalyptic number.

It is an amenable number.

320029868 is a deficient number, since it is larger than the sum of its proper divisors (240022408).

320029868 is a wasteful number, since it uses less digits than its factorization.

320029868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007471 (or 80007469 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 320029868 is about 17889.3786364983. The cubic root of 320029868 is about 684.0116586593.

The spelling of 320029868 in words is "three hundred twenty million, twenty-nine thousand, eight hundred sixty-eight".