816234824 has 16 divisors (see below), whose sum is σ = 1546219500. Its totient is φ = 403909632.

The previous prime is 816234823. The next prime is 816234829. The reversal of 816234824 is 428432618.

It can be written as a sum of positive squares in 2 ways, for example, as 761208100 + 55026724 = 27590^2 + 7418^2 .

It is not an unprimeable number, because it can be changed into a prime (816234823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525149 + ... + 526700.

Almost surely, 2^816234824 is an apocalyptic number.

It is an amenable number.

816234824 is a deficient number, since it is larger than the sum of its proper divisors (729984676).

816234824 is a wasteful number, since it uses less digits than its factorization.

816234824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051952 (or 1051948 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 816234824 is about 28569.8236606389. The cubic root of 816234824 is about 934.5553755478. Note that the first 3 decimals are identical.

The spelling of 816234824 in words is "eight hundred sixteen million, two hundred thirty-four thousand, eight hundred twenty-four".