1806934636 has 24 divisors (see below), whose sum is σ = 3435524064. Its totient is φ = 826586880.

The previous prime is 1806934631. The next prime is 1806934663. The reversal of 1806934636 is 6364396081.

It is a super-3 number, since 3×1806934636³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1806934631) 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 7 ways as a sum of consecutive naturals, for example, 147880 + ... + 159631.

It is an arithmetic number, because the mean of its divisors is an integer number (143146836).

Almost surely, 2^1806934636 is an apocalyptic number.

It is an amenable number.

1806934636 is a deficient number, since it is larger than the sum of its proper divisors (1628589428).

1806934636 is a wasteful number, since it uses less digits than its factorization.

1806934636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307641 (or 307639 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1806934636 is about 42508.0537780783. The cubic root of 1806934636 is about 1218.0005401550. Note that the first 3 decimals are identical.

The spelling of 1806934636 in words is "one billion, eight hundred six million, nine hundred thirty-four thousand, six hundred thirty-six".