816238927 has 8 divisors (see below), whose sum is σ = 973403136. Its totient is φ = 669214392.

The previous prime is 816238921. The next prime is 816238937. The reversal of 816238927 is 729832618.

816238927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 816238927 - 2³ = 816238919 is a prime.

It is a super-2 number, since 2×816238927² = 1332491971900222658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816238921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534743 + ... + 2535064.

It is an arithmetic number, because the mean of its divisors is an integer number (121675392).

Almost surely, 2^816238927 is an apocalyptic number.

816238927 is a deficient number, since it is larger than the sum of its proper divisors (157164209).

816238927 is a wasteful number, since it uses less digits than its factorization.

816238927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069837.

The product of its digits is 290304, while the sum is 46.

The square root of 816238927 is about 28569.8954670821. The cubic root of 816238927 is about 934.5569414674.

It can be divided in two parts, 8162 and 38927, that added together give a square (47089 = 217²).

The spelling of 816238927 in words is "eight hundred sixteen million, two hundred thirty-eight thousand, nine hundred twenty-seven".