326023920 has 160 divisors (see below), whose sum is σ = 1131624000. Its totient is φ = 86270976.

The previous prime is 326023883. The next prime is 326023921. The reversal of 326023920 is 29320623.

326023920 is a `hidden beast` number, since 3 + 2 + 602 + 39 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326023921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321334 + ... + 322346.

It is an arithmetic number, because the mean of its divisors is an integer number (7072650).

Almost surely, 2^326023920 is an apocalyptic number.

326023920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326023920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565812000).

326023920 is an abundant number, since it is smaller than the sum of its proper divisors (805600080).

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

326023920 is a wasteful number, since it uses less digits than its factorization.

326023920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 326023920 is about 18056.1324762530. The cubic root of 326023920 is about 688.2557076360.

The spelling of 326023920 in words is "three hundred twenty-six million, twenty-three thousand, nine hundred twenty".