928218816 has 84 divisors (see below), whose sum is σ = 3040666512. Its totient is φ = 265204224.

The previous prime is 928218793. The next prime is 928218817. The reversal of 928218816 is 618812829.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (928218817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111075 + ... + 119138.

Almost surely, 2^928218816 is an apocalyptic number.

928218816 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

928218816 is an abundant number, since it is smaller than the sum of its proper divisors (2112447696).

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

928218816 is a wasteful number, since it uses less digits than its factorization.

928218816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230238 (or 230225 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 928218816 is about 30466.6837053198. The cubic root of 928218816 is about 975.4764503712.

The spelling of 928218816 in words is "nine hundred twenty-eight million, two hundred eighteen thousand, eight hundred sixteen".