823842324 has 36 divisors (see below), whose sum is σ = 2154303060. Its totient is φ = 265144320.

The previous prime is 823842317. The next prime is 823842427. The reversal of 823842324 is 423248328.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 472279824 + 351562500 = 21732^2 + 18750^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393517 + ... + 395604.

Almost surely, 2^823842324 is an apocalyptic number.

It is an amenable number.

823842324 is an abundant number, since it is smaller than the sum of its proper divisors (1330460736).

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

823842324 is a wasteful number, since it uses less digits than its factorization.

823842324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789160 (or 789155 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 823842324 is about 28702.6536055466. The cubic root of 823842324 is about 937.4498268615.

The spelling of 823842324 in words is "eight hundred twenty-three million, eight hundred forty-two thousand, three hundred twenty-four".