32328380 has 72 divisors (see below), whose sum is σ = 80706528. Its totient is φ = 10647936.

The previous prime is 32328379. The next prime is 32328421. The reversal of 32328380 is 8382323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409181 + ... + 409259.

It is an arithmetic number, because the mean of its divisors is an integer number (1120924).

Almost surely, 2^32328380 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 32328380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40353264).

32328380 is an abundant number, since it is smaller than the sum of its proper divisors (48378148).

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

32328380 is a wasteful number, since it uses less digits than its factorization.

32328380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 32328380 is about 5685.8051320811. The cubic root of 32328380 is about 318.5624974395.

The spelling of 32328380 in words is "thirty-two million, three hundred twenty-eight thousand, three hundred eighty".