1836808 has 8 divisors (see below), whose sum is σ = 3444030. Its totient is φ = 918400.

The previous prime is 1836797. The next prime is 1836811. The reversal of 1836808 is 8086381.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 708964 = 1062^2 + 842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114793 + ... + 114808.

2^1836808 is an apocalyptic number.

It is an amenable number.

1836808 is a deficient number, since it is larger than the sum of its proper divisors (1607222).

1836808 is a wasteful number, since it uses less digits than its factorization.

1836808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229607 (or 229603 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1836808 is about 1355.2888990913. The cubic root of 1836808 is about 122.4676132625.

The spelling of 1836808 in words is "one million, eight hundred thirty-six thousand, eight hundred eight".