1813796 has 12 divisors (see below), whose sum is σ = 3187548. Its totient is φ = 903072.

The previous prime is 1813793. The next prime is 1813813. The reversal of 1813796 is 6973181.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 1653796 = 400^2 + 1286^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1813793) 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, 290 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (265629).

2^1813796 is an apocalyptic number.

It is an amenable number.

1813796 is a deficient number, since it is larger than the sum of its proper divisors (1373752).

1813796 is a wasteful number, since it uses less digits than its factorization.

1813796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1916 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 1813796 is about 1346.7724380904. The cubic root of 1813796 is about 121.9540272902.

The spelling of 1813796 in words is "one million, eight hundred thirteen thousand, seven hundred ninety-six".