1831326436 has 9 divisors (see below), whose sum is σ = 3204971049. Its totient is φ = 915620424.

The previous prime is 1831326407. The next prime is 1831326487. The reversal of 1831326436 is 6346231381.

The square root of 1831326436 is 42794.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1803700900 + 27625536 = 42470^2 + 5256^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1831326395 and 1831326404.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 74890 + ... + 96286.

Almost surely, 2^1831326436 is an apocalyptic number.

1831326436 is the 42794-th square number.

It is an amenable number.

1831326436 is a deficient number, since it is larger than the sum of its proper divisors (1373644613).

1831326436 is an frugal number, since it uses more digits than its factorization.

1831326436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798 (or 21399 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The cubic root of 1831326436 is about 1223.4566566512.

The spelling of 1831326436 in words is "one billion, eight hundred thirty-one million, three hundred twenty-six thousand, four hundred thirty-six".