1823796 has 60 divisors (see below), whose sum is σ = 5146372. Its totient is φ = 559872.

The previous prime is 1823779. The next prime is 1823797. The reversal of 1823796 is 6973281.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 1587600 = 486^2 + 1260^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1823796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823797) 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 19 ways as a sum of consecutive naturals, for example, 3996 + ... + 4428.

2^1823796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1823796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2573186).

1823796 is an abundant number, since it is smaller than the sum of its proper divisors (3322576).

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

1823796 is a wasteful number, since it uses less digits than its factorization.

1823796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 451 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1823796 is about 1350.4799146970. The cubic root of 1823796 is about 122.1777396743.

The spelling of 1823796 in words is "one million, eight hundred twenty-three thousand, seven hundred ninety-six".