1822836 has 12 divisors (see below), whose sum is σ = 4253312. Its totient is φ = 607608.

The previous prime is 1822823. The next prime is 1822837. The reversal of 1822836 is 6382281.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822837) 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, 75940 + ... + 75963.

2^1822836 is an apocalyptic number.

It is an amenable number.

1822836 is an abundant number, since it is smaller than the sum of its proper divisors (2430476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1822836 is a wasteful number, since it uses less digits than its factorization.

1822836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151910 (or 151908 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1822836 is about 1350.1244387093. The cubic root of 1822836 is about 122.1562988231.

The spelling of 1822836 in words is "one million, eight hundred twenty-two thousand, eight hundred thirty-six".