323358644 has 72 divisors (see below), whose sum is σ = 715518720. Its totient is φ = 127008000.

The previous prime is 323358643. The next prime is 323358647. The reversal of 323358644 is 446853323.

It is a happy number.

323358644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 323358598 and 323358607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323358643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114044 + ... + 116844.

It is an arithmetic number, because the mean of its divisors is an integer number (9937760).

Almost surely, 2^323358644 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 323358644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357759360).

323358644 is an abundant number, since it is smaller than the sum of its proper divisors (392160076).

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

323358644 is a wasteful number, since it uses less digits than its factorization.

323358644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2860 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 323358644 is about 17982.1757304282. The cubic root of 323358644 is about 686.3750552178.

The spelling of 323358644 in words is "three hundred twenty-three million, three hundred fifty-eight thousand, six hundred forty-four".