1823826 has 16 divisors (see below), whose sum is σ = 3668544. Its totient is φ = 604464.

The previous prime is 1823813. The next prime is 1823827. The reversal of 1823826 is 6283281.

1823826 is nontrivially palindromic in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 1823793 and 1823802.

It is not an unprimeable number, because it can be changed into a prime (1823827) 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 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1953.

It is an arithmetic number, because the mean of its divisors is an integer number (229284).

2^1823826 is an apocalyptic number.

1823826 is an abundant number, since it is smaller than the sum of its proper divisors (1844718).

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

1823826 is a wasteful number, since it uses less digits than its factorization.

1823826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

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

The square root of 1823826 is about 1350.4910218139. The cubic root of 1823826 is about 122.1784095796.

The spelling of 1823826 in words is "one million, eight hundred twenty-three thousand, eight hundred twenty-six".