816529384 has 16 divisors (see below), whose sum is σ = 1670173920. Its totient is φ = 371149680.

The previous prime is 816529381. The next prime is 816529403. The reversal of 816529384 is 483925618.

It is not an unprimeable number, because it can be changed into a prime (816529381) 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 3 ways as a sum of consecutive naturals, for example, 4639284 + ... + 4639459.

It is an arithmetic number, because the mean of its divisors is an integer number (104385870).

Almost surely, 2^816529384 is an apocalyptic number.

It is an amenable number.

816529384 is an abundant number, since it is smaller than the sum of its proper divisors (853644536).

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

816529384 is a wasteful number, since it uses less digits than its factorization.

816529384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278760 (or 9278756 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 816529384 is about 28574.9782852061. The cubic root of 816529384 is about 934.6677817311.

The spelling of 816529384 in words is "eight hundred sixteen million, five hundred twenty-nine thousand, three hundred eighty-four".