320888860 has 12 divisors (see below), whose sum is σ = 673866648. Its totient is φ = 128355536.

The previous prime is 320888851. The next prime is 320888863. The reversal of 320888860 is 68888023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320888863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8022202 + ... + 8022241.

It is an arithmetic number, because the mean of its divisors is an integer number (56155554).

Almost surely, 2^320888860 is an apocalyptic number.

It is an amenable number.

320888860 is an abundant number, since it is smaller than the sum of its proper divisors (352977788).

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

320888860 is a wasteful number, since it uses less digits than its factorization.

320888860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044452 (or 16044450 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 320888860 is about 17913.3709837093. The cubic root of 320888860 is about 684.6230970421.

The spelling of 320888860 in words is "three hundred twenty million, eight hundred eighty-eight thousand, eight hundred sixty".